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    Leonard Hayflick, Who Discovered Why No One Lives Forever, Dies at 96

    A biomedical researcher, he found that normal cells can divide only a certain number of times before they age — which, he said, explained aging on a cellular level.Leonard Hayflick, a biomedical researcher who discovered that normal cells can divide only a certain number of times — setting a limit on the human life span and frustrating would-be-immortalists everywhere — died on Aug. 1 at his home in Sea Ranch, Calif. He was 96.His son, Joel Hayflick, said the cause was pancreatic cancer.Like many great scientific findings, Dr. Hayflick’s came somewhat by accident. As a young scientist in the early 1960s at the Wistar Institute, a research organization at the University of Pennsylvania, he was trying to develop healthy embryonic cell lines in order to study whether viruses can cause certain types of cancer.He and a colleague, Paul Moorhead, soon noticed that somatic — that is, nonreproductive — cells went through a phase of division, splitting between 40 and 60 times, before lapsing into what he called senescence.As senescent cells accumulate, he posited, the body itself begins to age and decline. The only cells that do not go into senescence, he added, are cancer cells.As a result of this cellular clock, he said, no amount of diet or exercise or genetic tweaking will push the human species past a life span of about 125 years.This finding, which the Nobel-winning virologist Macfarlane Burnet later called the Hayflick limit, ran counter to everything scientists believed about cells and aging — especially the thesis that cells themselves are immortal, and that aging is a result of external causes, like disease, diet and solar radiation.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    Fauci Speaks His Mind on Trump’s Rages and Their ‘Complicated’ Relationship

    In a new book, Dr. Anthony S. Fauci recounts a career advising seven presidents. The chapter about Donald J. Trump is titled “He Loves Me, He Loves Me Not.”Three months into the coronavirus pandemic, Dr. Anthony S. Fauci was at home in northwest Washington when he answered his cellphone to President Donald J. Trump screaming at him in an expletive-laden rant. He had incurred the president’s wrath by remarking that the vaccines under development might not provide long-lasting immunity.That was the day, June 3, 2020, “that I first experienced the brunt of the president’s rage,” Dr. Fauci writes in his forthcoming autobiography.Dr. Fauci has long been circumspect in describing his feelings toward Mr. Trump. But in the book, “On Call: A Doctor’s Journey in Public Service,” he writes with candor about their relationship, which he describes as “complicated.”In a chapter entitled “He Loves Me, He Loves Me Not,” Dr. Fauci described how Mr. Trump repeatedly told him he “loved” him while at the same time excoriating him with tirades flecked with four-letter words.“The president was irate, saying that I could not keep doing this to him,” Dr. Fauci wrote. “He said he loved me, but the country was in trouble, and I was making it worse. He added that the stock market went up only 600 points in response to the positive Phase 1 vaccine news, and it should have gone up 1,000 points, and so I cost the country ‘one trillion dollars.’” (The president added an expletive.)“I have a pretty thick skin,” Dr. Fauci added, “but getting yelled at by the president of the United States, no matter how much he tells you that he loves you, is not fun.”We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    What to Know About New Covid Variants, ‘FLiRT’: Symptoms, Vaccines and More

    Experts are closely watching KP.2, now the leading variant.For most of this year, the JN.1 variant of the coronavirus accounted for an overwhelming majority of Covid cases. But now, an offshoot variant called KP.2 is taking off. The variant, which made up just one percent of cases in the United States in mid-March, now makes up over a quarter.KP.2 belongs to a subset of Covid variants that scientists have cheekily nicknamed “FLiRT,” drawn from the letters in the names of their mutations. They are descendants of JN.1, and KP.2 is “very, very close” to JN.1, said Dr. David Ho, a virologist at Columbia University. But Dr. Ho has conducted early lab tests in cells that suggest that slight differences in KP.2’s spike protein might make it better at evading our immune defenses and slightly more infectious than JN.1.While cases currently don’t appear to be on the rise, researchers and physicians are closely watching whether the variant will drive a summer surge.“I don’t think anybody’s expecting things to change abruptly, necessarily,” said Dr. Marc Sala, co-director of the Northwestern Medicine Comprehensive Covid-19 Center in Chicago. But KP.2 will most likely “be our new norm,’” he said. Here’s what to know.The current spread of CovidExperts said it would take several weeks to see whether KP.2 might lead to a rise in Covid cases, and noted that we have only a limited understanding of how the virus is spreading. Since the public health emergency ended, there is less robust data available on cases, and doctors said fewer people were using Covid tests.But what we do know is reassuring: Despite the shift in variants, data from the C.D.C. suggests there are only “minimal” levels of the virus circulating in wastewater nationally, and emergency department visits and hospitalizations fell between early March and late April.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    Robert F. Kennedy Jr. Says Americans Are ‘Voting Out of Fear’

    Robert F. Kennedy Jr. sought to make the case on Sunday that he can do something no third-party or independent candidate has come close to doing in modern U.S. history: win a presidential election. Although polls show him far behind, both major-party campaigns, those of President Biden and former President Donald J. Trump, view Mr. Kennedy as a potential spoiler.Speaking at a rally on Long Island outside New York City, Mr. Kennedy cited polls that he said his campaign had conducted, showing him winning in two scenarios: one in which he faced only Mr. Biden without Mr. Trump in the race, and one in which he faced Mr. Trump without Mr. Biden.The reason he is behind in a three-way race, he maintained, is that “so many Americans are voting out of fear.”“Their only strategy is to try to keep me off the ballot and then to make everybody terrified of Donald Trump,” he said of Democrats, “and on the other side, they do the same thing,” he added of Republicans. “When somebody is telling you to vote out of fear, they are trying to manipulate you into abandoning your values,” he said.Mr. Kennedy acknowledged to the crowd in Holbrook, N.Y., that Mr. Biden and Mr. Trump differed in numerous ways.“If you look at their personalities, their dispositions, their presentation, their ideology, their approach to life, their interactions with other people, there’s a huge, huge difference,” he said.But he argued that issues on which Mr. Biden and Mr. Trump held starkly different positions — like abortion, border security, guns and transgender rights — were “culture war issues” that “are used to divide us all.” He said that on the national debt and chronic disease — issues he called “existential for our country” — their positions weren’t materially different.In discussing the prevalence of chronic disease, Mr. Kennedy lamented the United States’ disproportionately high death rate from the coronavirus compared with the death rate experienced by other developed countries, a disparity attributable in part to the comparatively low uptake of vaccines that Mr. Kennedy has campaigned against.He suggested — in contradiction of scientific evidence of the safety and efficacy of Covid vaccines, and data showing higher death rates in states with lower vaccination rates — that the nation’s poor Covid performance was a mark against vaccines.“Whatever we’re doing, whatever we did, it was wrong,” Mr. Kennedy said, referring to vaccine mandates, lockdowns and other pandemic responses. More

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    Millions of Girls in Africa Will Miss HPV Shots After Merck Production Problem

    The company has told countries that it can supply only 18.8 million of the 29.6 million doses it was contracted to deliver this year.Nearly 1.5 million teenage girls in some of the world’s poorest countries will miss the chance to be protected from cervical cancer because the drugmaker Merck has said it will not be able to deliver millions of promised doses of the HPV vaccine this year.Merck has notified Gavi, the international organization that helps low- and middle-income countries deliver lifesaving immunizations, and UNICEF, which procures the vaccines, that it will deliver only 18.8 million of the 29.6 million doses it was contracted to deliver in 2024, Gavi said.That means that more than 10 million girls will not receive their expected HPV shots this year — and 1.5 million of them most likely will never get them because they will be too old to qualify for the vaccine in subsequent years.Patrick Ryan, a spokesman for Merck, said the company “experienced a manufacturing disruption” that required it to hold and reinspect many doses by hand. He declined to give further details about the cause of the delay.“We are acting with urgency and rigor to deploy additional personnel and resources to resolve this matter as soon as possible,” he said.Mr. Ryan said that Merck would deliver the delayed doses in 2025. He also said the company would ship 30 million doses of the vaccine to Gavi-supported countries this year. However, about a third of these are doses that were supposed to have been sent in 2023, leaving Gavi with the 10.7 million dose shortfall.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    Brazil Police Recommend Criminal Charges Against Bolsonaro

    The federal police accused the former president of falsifying his Covid-19 vaccination records. Brazil’s federal police recommended former President Jair Bolsonaro be criminally charged in a scheme to falsify his Covid-19 vaccine card, partly to travel to the United States during the pandemic, in the latest sign of criminal investigations closing in on the former president.Federal prosecutors will now decide whether to pursue the case. If they do, it would be the first time the former president has faced criminal charges.Brazilian police accused Mr. Bolsonaro of ordering a top deputy to obtain falsified Covid-19 vaccination records for himself and his daughter, 13, in late 2022, just before the former president traveled to Florida to stay for three months following his election loss. Brazilian police said they were awaiting an answer from the U.S. Justice Department on whether Mr. Bolsonaro used a fake vaccination card to enter the United States, which could bring different criminal charges. At the time, most international visitors to the U.S. were required to show proof of Covid-19 vaccination to enter the country.Mr. Bolsonaro has said he did not receive the Covid-19 vaccine, but he has denied accusations that he was involved in any plan to falsify his vaccination records. His lawyer said in a text message that he was still reviewing the accusations.Mr. Bolsonaro, if convicted of forging his vaccine card, could face prison time.The federal police’s indictment is the first time the various investigations into Mr. Bolsonaro have moved toward charges. Mr. Bolsonaro has been subject to questioning and searches as part of several inquiries, including into the selling of watches and jewels he received as presidential gifts from Saudi Arabia and accusations that he worked with top government officials to hatch a plan to try to hold onto power following his 2022 election loss. Brazil’s electoral court has already ruled Mr. Bolsonaro ineligible for public office until 2030 for spreading false information about Brazil’s voting systems on state television, forcing him to sit out the next presidential contest in 2026.During the pandemic, Mr. Bolsonaro was critical of the Covid-19 vaccine, notoriously joking that it would turn people into alligators and instead promoting unproven treatments, such as an antimalarial drug called hydroxychloroquine. His administration hesitated to secure vaccines when they were first being distributed, exacerbating the pandemic in Brazil, according to a Brazilian congressional investigation that recommended the former president be charged with “crimes against humanity,” among other charges, for his actions during the pandemic. The prosecutor at the time did not charge him. Nearly 600,000 people died in Brazil because of Covid-19, the second-highest national death count after the United States.In May 2023, the police searched Mr. Bolsonaro’s home, confiscated his cellphone and arrested one of his closest aides and two of his security guards as part of the investigation into the fake vaccination records.Flávia Milhorance More

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    Amid Florida’s Measles Outbreak, Surgeon General Goes Against Medical Guidance

    In a letter, Joseph Ladapo said parents at an elementary school with confirmed measles cases can decide whether their children should attend school.As a cluster of measles cases grew in an elementary school in southern Florida, the state’s surgeon general sent a letter to parents that contradicted widespread medical guidance about how to keep the disease from spreading.Doctors and health officials typically recommend that children who are not vaccinated for measles isolate for 21 days after they have been exposed at school. In the letter, the state surgeon general, Dr. Joseph Ladapo, said it was up to parents and guardians to determine when their children can attend school, even if those children have not been vaccinated against the disease.“Because of the high likelihood of infection, it is normally recommended that children stay home until the end of the infectious period,” the letter read. However, the state Department of Health “is deferring to parents or guardians to make decisions about school attendance,” the letter, sent to parents at Manatee Bay Elementary School in Weston, Fla., continued.Dr. Ladapo added that these recommendations might change in the future and stressed that children with measles symptoms should not go to school. As of Friday, there were six confirmed cases at the school, according to Broward County Public Schools.Measles is one of the world’s most infectious diseases. Cases and deaths have been rising across the globe, in part because health officials have struggled to vaccinate people in the wake of the coronavirus pandemic and growing vaccine hesitancy. In January, the Centers for Disease Control and Prevention warned physicians to “stay alert for measles” as more cases emerged in the United States, largely among unvaccinated children and adolescents.Dr. Ladapo, a former clinical researcher at the University of California, Los Angeles, has played a prominent role in the administration of Gov. Ron DeSantis, a Republican, appearing with the governor at events that mainstream public health experts have repeatedly criticized as spreading dangerous falsehoods.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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    How R.F.K. Jr.’s Causes Made Him Millions of Dollars

    In 2021, Robert F. Kennedy Jr. earned more than $500,000 as the chairman and top lawyer at Children’s Health Defense, the nonprofit organization that he has helped build into a leading spreader of anti-vaccine falsehoods and a platform for launching his independent bid for the White House.The compensation was almost three times as high as the amount paid to the organization’s president, but it was not Mr. Kennedy’s biggest source of income. Neither was his family’s fabled wealth. Instead, most of his earnings around the same time came from law firms — a total of $7 million for lending them his name, connections and expertise to sue major companies.Throughout his long public life, Mr. Kennedy has cultivated an image as a man committed to a greater good, the blessing and burden of belonging to one of America’s most storied political families. Whether cleaning up rivers as an environmentalist or railing against the purported dangers of inoculations, he has said he is driven by his family’s legacy of civic duty and sacrifice.He built his presidential run around similar themes, even as his cousin dismissed the campaign as a “vanity project” and other relatives disavowed his beliefs. On the trail, Mr. Kennedy has delivered a populist message of anti-corporate rhetoric and debunked science while invoking a powerful lineage: his uncles, former President John F. Kennedy and Senator Ted Kennedy, and his father, Senator Robert F. Kennedy.“RFK Jr. began a career of public services as soon as he passed the NY State Bar,” reads one of the top lines on his campaign website.In a 2018 book, he credited his mother, Ethel, for instilling important values. “She tried to give us the sense that we mustn’t be satisfied with ‘making a big pile for ourselves and whoever dies with the most stuff wins,’” Mr. Kennedy wrote. “Our lives, she taught us, should serve a higher purpose.”But an examination of Mr. Kennedy’s finances by The New York Times, including public filings and almost two dozen interviews as well as tax returns and other documents not previously made public, showed that while he appears to believe in the causes he champions, they have also had a practical benefit: His crusades, backed by the power of his name, have earned him tens of millions of dollars.In his 2018 book, Mr. Kennedy credited his mother for instilling important values.Ryan David Brown for The New York TimesCampaign events have emphasized Mr. Kennedy’s famed political family.Ryan David Brown for The New York TimesMr. Kennedy inherited many things from his family — a charismatic presence, a gift for public speaking, a place among the nation’s elite — but not necessarily the kind of money that would support a life of both altruism and the trappings of wealth he seems to enjoy, The Times found. His grandfather, Joseph P. Kennedy, poured a fortune into trust funds for his descendants, helping to support the political ambitions of his sons. But Mr. Kennedy came into a relatively modest portion.Behind much of his public career has been a relentless private hustle: board positions and advisory gigs, side deals with law firms, book contracts and an exhausting schedule of paid speeches, once upward of 60 a year by his own count.While most people have to work, Mr. Kennedy did not always settle for the six-figure salary he was earning in positions with nonprofits. For decades, he has entwined his loftier missions with opportunities for enrichment. In addition to his salary at Children’s Health Defense, for instance, he stands to profit personally from lawsuits, including against the pharmaceutical giant Merck over a common vaccine for children.When Mr. Kennedy was still best known as an environmentalist, he met Alan Salzman, an investor in clean technology companies, and was intrigued: Mr. Kennedy wanted to find alternatives to carbon-based energy, “which I think is the biggest enemy to American democracy and the environment,” he said in a 2012 deposition reviewed by The Times.“And I also saw it as an opportunity to make some money for my family,” he continued.Mr. Kennedy would earn millions of dollars over at least eight years from work connected to Mr. Salzman’s venture capital firm, VantagePoint, including promoting a project that other environmentalists opposed.In an interview, Mr. Kennedy said that he was proud of giving his family a good life while promoting his causes.“I have been able to use the various gifts I’ve been given — education, the contacts and the value of a name that a generation in my family put a lot of effort into enhancing and retaining its value,” he said. “I’m grateful that I’ve been given those gifts and that I am able to do well by doing good.”His campaign said in a statement that he had “never put a need or desire to make money ahead of his values and moral compass.”Recently, Mr. Kennedy’s presidential bid has gained some traction. In a poll conducted last month by The Times and Siena College, 24 percent of voters in battleground states said they would support Mr. Kennedy in a theoretical matchup between him, President Biden and former President Donald J. Trump, the leading Republican candidate.In the campaign, Mr. Kennedy has cast himself as an heir to his family’s mystique. Yet what has at times looked from the outside like the glamorous life of a dynastic prince has occasionally been underwritten by others.Wealthy friends were behind the purchase of the home Mr. Kennedy used on the family compound on Cape Cod, records show. He had an arrangement with a major environmental nonprofit group to pay for his children to accompany him on work trips, and he accepted a free Lexus as part of a promotional event for green vehicles.“The Kennedys’ wealth is inextricably intertwined with people’s impression of the Kennedys — and that isn’t a surprise when you think their grandfather amassed one of America’s biggest fortunes when his kids were young,” said Fredrik Logevall, a historian at Harvard who is writing a two-volume biography of John F. Kennedy.“But two generations later,” Professor Logevall said, “some family members have more of the money than others.”From left: Joseph P. Kennedy, Jr.; Joseph P. Kennedy, Sr.; Robert F. Kennedy; and John F. Kennedy in 1939.Boston Globe via Associated PressA Grandfather’s WealthJoseph Kennedy’s estate, widely believed to be valued at roughly $500 million when he died in 1969 (about $4.2 billion in today’s dollars), was left largely in trusts for his descendants.Robert Kennedy had been assassinated the previous year while running for the Democratic nomination for president. He left half his estate to Ethel and divided the remainder equally among his children, according to documents filed in Manhattan Surrogate Court. But after an expensive campaign, he died with heavy debt, and more than half of his estate went to pay it off.While the court documents put the senator’s total estate at $1.6 million, there was more, shrouded in trusts whose value is not public. Still, disclosure forms Mr. Kennedy filed with the Federal Election Commission as part of his bid for the presidency, as well as other documents, provide some insight into his portion of the family wealth.Mr. Kennedy owns between $4 million and $15 million in inherited assets, held in trusts — the biggest, a stake in Wolf Point, a Chicago real estate development built on land his grandfather bought decades ago. Over the years, Mr. Kennedy has enjoyed large one-time distributions from his trust funds when assets were sold, according to bank records and public documents.But the trusts do not tend to generate much steady income: He received between roughly $29,000 and $90,500 over a recent 18-month period, according to the F.E.C. filing. While certainly a boon, it is far from enough to finance Mr. Kennedy’s lifestyle: At one point, a little over a decade ago, he estimated that his annual household expenses were $1.4 million.“I have never gotten a lot of money from my family,” Mr. Kennedy told The Times.He said his biggest expense in recent years was his children’s education. He drives, he said, a 1998 minivan. But he also lives with his wife, the actress Cheryl Hines, in a $6 million home in Brentwood, an affluent Los Angeles neighborhood.Mr. Kennedy in 1973 with his mother, Ethel, and a mural depicting his father, five years after his assassination.Marty Lederhandler/Associated PressMr. Kennedy said that one reason his branch of the family never enjoyed the clan’s presumed riches, in addition to his father’s debt, is that he was one of 11 children, leaving him with less inherited money than other members of his generation. (When his cousin John F. Kennedy Jr. died in 1999, he left a $250,000 bequest to Mr. Kennedy.)In the 2012 deposition, which Mr. Kennedy gave during his bitter divorce from his second wife, Mary Richardson Kennedy, he said Ethel Kennedy was “broke,” and family members secretly helped cover her living expenses.“Those of us who stay at her house pay her, and she doesn’t know she’s being paid,” he said.In the interview with The Times, Mr. Kennedy said that his mother, now 95, is no longer struggling financially.Mr. Kennedy in a 2001 rowing race on New York’s Hudson River, which he is credited with helping to clean up.Evan Agostini/Getty ImagesA High-Flying LifeBy the year 2000, after a bumpy early adulthood that included an arrest for heroin possession, Mr. Kennedy was a nationally recognized environmental lawyer. The previous year, he had been named a hero of the planet by Time magazine for his work with the Riverkeeper organization, among the groups credited with cleaning up New York’s polluted Hudson River.As a lawyer, he was on the payrolls of both the environmental litigation clinic at Pace University’s law school and the Natural Resources Defense Council, where his salary was subsidized by Riverkeeper, according to a person familiar with the arrangement.That year, Mr. Kennedy saw an opportunity that would eventually net him millions of dollars.He co-founded a law firm, Kennedy & Madonna, with Kevin Madonna, a Pace Law graduate who had worked at the clinic. The firm allowed Mr. Kennedy to target polluters while profiting at a scale far beyond his nonprofit salaries. Kennedy & Madonna teamed up with other firms on class-action lawsuits against major corporations, including Dupont and the Southern California Gas Company, and took a cut of any proceeds.Although Mr. Kennedy was listed first in the firm’s name, he said in his 2012 divorce case that his partner dealt with most of the detailed legal work. Mr. Kennedy typically handled depositions and court appearances — moments when his famous name and presence would have the strongest effect. Mr. Madonna declined to comment.In 2002, Mr. Kennedy also forged a relationship with a personal-injury law firm in Pensacola, Fla. He was paid to do a radio show with one of the firm’s partners, and was listed as “of counsel” at the firm, which did some class-action environmental litigation.It was adding up to a good living, by most standards. By 2008, his jobs at the Florida firm and the nonprofits were bringing in about $400,000 a year. His trust funds and investments connected to his grandfather generated at least $150,000, according to his tax return.Mr. Kennedy with his third wife, the actress Cheryl Hines.Krista Schlueter for The New York TimesIncome from Kennedy & Madonna could be bumpy. For instance, from 2008 through 2010, the firm produced virtually no income, tax records show. But in 2011 Mr. Kennedy received $700,000, part of the firm’s share of a legal settlement with Ford Motor.Still, Mr. Kennedy was leading an expensive life between his home in Bedford, N.Y., a wealthy enclave north of Manhattan, where he lived with his wife and children, and the home he was using on Cape Cod. He bought the Bedford house in the 1980s, with financing from the sale of a luxury Manhattan apartment that a close family friend had willed to him, records show.In 2010, Mr. Kennedy’s household expenses reached $1.4 million. The mortgage and a home-equity loan on the Bedford property cost about $191,000. Memberships to a yacht club and other organizations ran him more than $14,000, while nannies and housekeepers cost more than $70,000. Pool maintenance was upward of $12,000. On top of those expenses, his assistant earned roughly $200,000.His use of the home at the Kennedy compound in Hyannis Port, Mass., was made possible by wealthy friends, The Times found. It had been purchased by a lawyer with ties to Wendy Abrams, a Chicago-based philanthropist who has donated millions of dollars to environmental causes, including some of Mr. Kennedy’s, records show.In the interview, Mr. Kennedy said Ms. Abrams and her husband, whom he described as his closest friends, stepped in because he did not have enough money to buy the home when it came up for sale.The house, a six-bedroom with traditional gray shingles, was bought in 2008 for $2.5 million. For years, Mr. Kennedy paid $4,000 a month in rent. The lease, which was reviewed by The Times, shows that he had an option to buy the home for the original purchase price, which he did in 2020.The Abramses, Mr. Kennedy said in the deposition, had also footed the bill for a vacation to Jamaica for him; his then-girlfriend, Ms. Hines; and their respective children, while the Natural Resources Defense Council sometimes paid for his children to travel with him.“All my vacations are paid for. So I just, I try not to spend money,” Mr. Kennedy said in the deposition.Ms. Abrams told The Times she commonly hosted friends in rented vacation homes. Mr. Kennedy said in his interview with The Times that his work for the N.R.D.C. could involve spending weeks in other countries, and the nonprofit agreed to pay for his children to travel to see him. The N.R.D.C. declined to comment.Mr. Kennedy also accepted a free Lexus from Toyota, The Times found. He said he received the car when he helped the automaker promote charging stations for electric vehicles in California.While working at VantagePoint Capital Partners, Mr. Kennedy took paying gigs with companies in which the venture capital firm had invested, including a solar plant developer building a project in the Mojave Desert. Ethan Miller/Getty Images/Getty ImagesA Shadow CareerIn addition to his jobs with nonprofits and his law firms, Mr. Kennedy turned to paid speeches as a big source of income. He said he could charge as much as $250,000 for a talk overseas, and at least $25,000 for others.By the time he entered into divorce proceedings with Ms. Richardson Kennedy, he was on the road at a frenetic pace, at one point giving more than 60 speeches a year. (Ms. Richardson Kennedy died by suicide in 2012, before the divorce was final.)If he wasn’t around enough to put in a traditional workweek at any one organization, his name and natural charisma certainly raised their profiles and drew celebrities and deep-pocketed benefactors to their events, including the actors Pierce Brosnan, Alec Baldwin and Ms. Hines.At the same time, Mr. Kennedy’s high-profile environmental work opened the door to a lucrative shadow career as a corporate director and consultant. His reputation, experience and wide network of contacts had value: He could make introductions, offer advice or help secure financing.A turning point had come in 2005. Mr. Kennedy gave a speech at the home of Mr. Salzman, the managing partner of VantagePoint Capital Partners, then one of California’s most prominent venture capital firms. It was an early investor in Tesla, the electric carmaker, and was known for backing companies that were offering solutions to the planet’s environmental problems.Mr. Salzman hired Mr. Kennedy in 2007, initially paying him $100,000 a year to consult on potential investments. “He was obviously passionate about clean water, but also well-connected and very knowledgeable,” Mr. Salzman told The Times.In 2009 Mr. Kennedy became a partner, earning $340,000 at VantagePoint, in addition to his other sources of income. Two years later his salary had jumped to more than $750,000, records show.“He was obviously passionate about clean water, but also well-connected and very knowledgeable,” said Alan Salzman, managing partner of VantagePoint.Andrew Harrer/BloombergMr. Kennedy’s position at VantagePoint led to other paying gigs at companies in which the fund had invested. For instance, he took in $80,000 a year from BrightSource, a developer of large-scale solar plants.That work put him in conflict with environmentalists over two projects BrightSource was planning in California. The first was set for the Ivanpah Valley, in the desert near Nevada. A number of environmental groups opposed the idea, saying it threatened desert tortoises and vegetation.Mr. Kennedy leaned on his contacts in the Obama administration to secure a $1.6 billion loan guarantee for the project in 2011. “I essentially saved the company,” Mr. Kennedy said in the 2012 deposition.BrightSource also wanted to locate a massive solar power farm in a region of the Mojave Desert, on land previously earmarked for conservation. David Myers, president of the Wildlands Conservancy, was among its most vocal opponents, along with Senator Dianne Feinstein, the California Democrat who died this fall, and officials from the Sierra Club and the Center for Biological Diversity.Mr. Myers said he had long admired Mr. Kennedy’s work in New York and was devastated by his involvement in pushing the California project. “He was like a hero, in his own mind,” Mr. Myers said. After a protracted fight, BrightSource walked away from the venture.In the interview with The Times, Mr. Kennedy said he had sympathy for the point of view of the project’s opponents, but he believed it was vital to promote solar energy.Ultimately, Mr. Kennedy worked for or served on the boards of at least 16 companies, all while juggling his speaking commitments, his duties at the nonprofits that were paying him and his obligations to his law firm. He joined the board of a holding company that owned a troubled for-profit college in New York, was a paid adviser to an Arizona environmental company known for hiring boldface names and was on the board of a Florida company that made red-light cameras.Mr. Kennedy ended up on the board of that company, Smart Citation Management, because a friend knew he was hard up for cash and recommended him for the position, he said in the 2012 deposition. George K. Stephenson, the president of Smart Citation, described Mr. Kennedy as a “very engaged” board member.At least one company with ties to the Kennedy family still has Mr. Kennedy on its payroll. Marwood Group, a political research firm, has paid him $10,000 a month for years, records show.Its president and founder is Ted Kennedy Jr., Mr. Kennedy’s cousin. The company did not respond to requests for comment. Mr. Kennedy said he served as an adviser and consultant.Building on his anti-vaccine work, Mr. Kennedy fought Covid-era restrictions.Kenny Holston for The New York TimesA Shift to VaccinesAround the time Mr. Kennedy spoke at Mr. Salzman’s house, he became interested in another topic: mercury in vaccines.For years, Mr. Kennedy had been warning about mercury contamination from coal-fired power plants, and he has said that concern grew to include vaccines when the mother of a “vaccine-injured child” came to him for help. In 2005 he wrote an article, published in Rolling Stone and Salon, that blamed thimerosal, a mercury-containing preservative used in some vaccines, for a rise in autism in children.Although both news outlets later withdrew the article after finding that some of its claims were wrong or dubious, and Mr. Kennedy was widely criticized by the scientific community, he dove headlong into his effort. He began giving speeches on the topic, and wrote a book about it in 2015. He did not give up his environmental work: That same year, he began taking about $200,000 in annual salary from Waterkeeper Alliance, a national organization with a mission to clean up waterways.But he also joined the board of a nonprofit organization called the World Mercury Project, which aimed to eliminate mercury exposure in many arenas. In 2018, with Mr. Kennedy’s help, it was rebranded as Children’s Health Defense.Mr. Kennedy proved to be an effective fund-raiser for the fledgling group, just as he had for his environmental allies, even selling $10 raffle tickets to win a tour of the Cape Cod compound. In 2021, the last year for which data is available, the group’s annual revenue was almost $16 million. With an impressive war chest, Children’s Health Defense has become one of the country’s leading spreaders of vaccine misinformation.As Mr. Kennedy’s focus shifted more and more to vaccine skepticism, he parted ways with the environmental groups that had defined so much of his public life. In 2017 he told Tucker Carlson, then a Fox News host, that his vaccine work had made him a pariah in some circles and cost him work.“It’s been probably the worst career move that I’ve ever made,” he said. When Mr. Carlson asked him if he was “getting paid for this,” Mr. Kennedy replied: “No, I’m not. In fact, I’m getting unpaid for this.”Except for the Marwood Group, Mr. Kennedy no longer holds paid board positions, according to his F.E.C. filing, and he reported taking in a much-diminished $24,000 in speaking fees. But his effort on vaccines has also been a source of income that would be impressive by many measures.By 2021, the last full year for which data is available, he was making slightly more than $500,000 a year at Children’s Health Defense, up from $255,000 in 2019.After writing his book about thimerosal, he returned to his publisher, Skyhorse Publishing, to write a scathing book in 2021 about Dr. Anthony S. Fauci, the federal government’s long-serving top infectious disease specialist who became a focus of rage for people skeptical of the coronavirus vaccine.The book sold well, more than 500,000 copies in hardcover, according to Circana BookScan. Mr. Kennedy said he donated the proceeds to Children’s Health Defense, but he received a $125,000 consulting fee from the publisher over this year and last for referring other authors.Similar to his playbook as an environmentalist, Mr. Kennedy has established profitable relationships with law firms, including one that handles legal work for Children’s Health Defense. Mr. Kennedy told The Times that because he believed his stance on vaccines had cost him income, he had an agreement with Children’s Health Defense to supplement his salary with outside legal work.“I had these big bills that I just couldn’t pay on a badly diminished salary,” he told The Times.“I said, ‘I need an opportunity to make more because that is not going to do it,’” Mr. Kennedy said. Under the deal, he would share the proceeds from any legal wins or settlements with the organization.One firm, the California-based Wisner Baum, paid him $1.6 million over the 18 months ending in June, according to his F.E.C. filing. Over the years, he has worked on environmental cases for Wisner Baum, including as a lawyer on the team that won a $290 million judgment against the chemical giant Monsanto, the maker of Roundup weed killer.More recently, however, Mr. Kennedy has been listed as co-counsel on dozens of lawsuits that Wisner Baum has brought against the pharmaceutical company Merck for injuries it says were caused by a vaccine formulated to prevent the transmission of human papillomavirus.The Children’s Health Defense website also scouts clients for Wisner Baum, encouraging parents to call the firm if they believe their child might have been harmed by the HPV vaccine.Another law firm, JW Howard Attorneys, paid Mr. Kennedy about $315,000 over the same 18-month period. JW Howard was one of the firms that handled a case brought by the Orange County Board of Education and Children’s Health Defense seeking to end the Covid-19 state of emergency that California declared in the spring of 2020.And this past January, JW Howard was counsel on a lawsuit filed by Children’s Health Defense and Mr. Kennedy against The Washington Post, Reuters and other news organizations, accusing them of colluding to stop the publication of certain Covid stories, among other allegations.Mr. Kennedy is also still a partner at Kennedy & Madonna. Between January 2022 and June 2023, he made $5 million for his work there, records show. The law firm, its website has emphasized, does not take vaccine cases.Kitty Bennett More