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    Trump vows to impose tariffs as experts warn of price hikes and angry allies

    Donald Trump doubled down on his promise to levy tariffs on all imports in a bid to boost American manufacturing, a proposal that economists say would probably mean higher prices for consumers while angering US allies.“To me, the most beautiful word in the dictionary is ‘tariffs’,” Trump said in an often-combative conversation with John Micklethwait, editor-in-chief of Bloomberg News, at the Economic Club of Chicago on Tuesday. “It’s my favorite word.”Trump was grilled on the potential impacts of tariffs, and often dodged questions about the tangible impacts of the levies on inflation and geopolitics. Trump is proposing an at least 10% blanket tariff on all imports, with tariffs as high as 60% on goods from China.“You see these empty, old, beautiful steel mills and factories that are empty and falling down,” Trump said. “We’re going to bring the companies back. We’re going to lower taxes for companies that are going to make their products in the USA. And we’re going to protect those companies with strong tariffs.”

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    Though speaking in Chicago, Trump repeated many of the claims he made at the Detroit Economic Club last week. At the time, Trump bashed the city, saying it has a high crime rate and few job opportunities.“We’re a developing nation, too,” he said on Tuesday. “Take a look at Detroit.”Trump centered the auto industry, claiming that tariffs would encourage car manufacturers to build plants in the US – an assertion some economists have suggested amounts to wishful thinking.“The higher the tariff, the more you’re going to put on the value of those goods, the higher people are going to have to pay,” Micklethwait told Trump.“The higher the tariff, the more likely it is that the company will come into the United States and build a factory,” Trump said in response, to applause from the audience.Micklethwait pointed out that economists have estimated Trump’s economic proposals would add $7.5tn to the US deficit, twice the amount as Kamala Harris’s proposals. He also pointed out that the tariffs would also be targeting American allies.“Our allies have taken advantage of us, more so than our enemies,” Trump said.When asked whether he had talked to Vladimir Putin after the end of his presidency, Trump said that he doesn’t “comment on that, but I will tell you that if I did, it’s a smart thing”.“If I’m friendly with people, if I can have a relationship with people, that’s a good thing, not a bad thing,” he said.Trump was also asked about his stance on the Federal Reserve, specifically on comments he has made against Fed chair Jerome Powell, whom Trump first appointed in 2018.“I think if you’re a very good president with good sense, you should at least get to talk to [the Fed],” Trump said. “I think I have the right to say, as a very good businessman … I think you should go up or down a little bit.“I don’t think I should be allowed to order it, but I think I have the right to put in comments as to whether or not interest rates should go up or down.”Even a recommendation from the White House as to what the Fed should do with interest rates would amount to a significant step away from the central bank’s long-established independence.Trump frequently made personal jabs at Micklethwait, saying “I know you’re an anti-tariff guy” and at one point: “This is a man who has not been a big Trump fan.” More

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    Donald Trump says Xi Jinping wrote him a ‘beautiful note’ after rally shooting

    Donald Trump has said China’s president wrote him a “beautiful note” after the assassination attempt a week ago, as he continued to court leaders whom Joe Biden has criticised as dictators.In his first campaign rally since narrowly escaping the attempt on his life in Pennsylvania, Trump told a crowd in Michigan on Saturday: “[President Xi Jinping] wrote me a beautiful note the other day when he heard about what happened.”The Republican presidential nominee recalled how he described Xi as “a brilliant man, he controls 1.4 billion people with an iron fist”, adding that the Chinese leader makes people like Biden look like “babies”.As well as familiar attacks on Biden and Vice-President Kamala Harris, Trump also used the rally in Grand Rapids to hail Xi and Vladimir Putin as “smart, tough” figures who “love their country”, echoing praise he gave in 2022 of the Russian president’s strategy to invade Ukraine. In that same 2022 speech, at a rally in Georgia, Trump called North Korean dictator Kim Jong-un “tough”, and said of Kim and Xi: “The smartest one gets to the top.” On Saturday, Trump said he “got along very well” with both leaders.Still wearing a small wound dressing a week after the shooting, Trump also publicly supported the Hungarian prime minister, Viktor Orbán, saying he was right in saying that “we have to have somebody that can protect us”. Orbán was this week accused by the Ukrainian president, Volodymyr Zelenskiy, of betraying European leaders after he travelled to Moscow for what he called a “peace mission”, holding a joint press conference with Putin in which the Russian leader told Kyiv to give up more land, pull back its troops and drop its efforts to join Nato.After meeting Trump recently in Florida, Orbán flagged the likelihood of a Trump victory, and urged European leaders to reopen “direct lines of diplomatic communication” with Russia and “high-level political talks” with China.Trump’s reference to a “beautiful note” from Xi echoes the now-famous “love letters” he received from North Korea’s Kim. In September 2018, Trump told a rally in West Virginia: “We fell in love. No, really. He wrote me beautiful letters.”The Washington Post reporter Bob Woodward later obtained 25 letters between Trump and Kim for his second book on the Trump presidency, Rage.In one letter, about a meeting in Singapore in June 2018, Kim wrote: “Even now I cannot forget that moment of history when I firmly held Your Excellency’s hand at the beautiful and sacred location as the whole world watched.”After a summit in Vietnam in February 2019, Kim wrote that “every minute we shared 103 days ago in Hanoi was also a moment of glory that remains a precious memory”.The summits did not reduce tensions with North Korea.With Reuters More

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    Ex-Trump security adviser backtracks on proposal to send all Marines to Asia

    Donald Trump’s former national security adviser Robert O’Brien – tipped to play a leading role if the ex-president returns to the White House – backtracked on parts of his proposal to sever US-China economic ties, an aspect of which called for sending the entire US Marine Corps to Asia.O’Brien, who recently submitted a 5,000-word article outlining his thinking to Foreign Affairs, explained on Sunday that instead of the “entire US Marine Corps”, it would be only the “fighting force”. And he said some Marines would still be stationed at bases like California’s Camp Pendleton and North Carolina’s Camp Lejeune.“We want to stop a war, and the way to stop the war is through strength,” O’Brien said on Sunday’s edition of CBS Face the Nation. “Moving the Marine Corps to the Pacific and moving the carrier battle group to the Pacific would show the kind of strength needed to deter a war.”In the essay, titled The Return of Peace Through Strength, O’Brien argued for the US to help expand the militaries of Indonesia, the Philippines and Vietnam; increase military assistance to Taiwan; and boost missile defense as well as fighter jet protection in the region.He also called for renewed plutonium and enriched uranium production – as well as the resumption of live nuclear-weapons testing.O’Brien cites concerns over an aging US nuclear arsenal as his primary argument in favor of abandoning the current nuclear testing moratorium.The military expansion would go beyond the measures Joe Biden has taken to counter Chinese ambitions in the Asia-Pacific region as the president seeks re-election against Trump in November.And on Sunday, Trump’s hawkish foreign policy adviser from 2019 to 2021 appeared to echo an earlier diplomatic strategy when Trump threatened to pull the US out of Asia and Europe unless its strategic partners met defense spending targets.O’Brien said US allies have fielded “some, but not enough” of the cost of housing US troops in their countries, and he called on them to “step up to the plate”.The US currently stations nearly half of all American military deployed abroad in Japan, South Korea and Guam, along with small detachments in Taiwan and the Marshall Islands.“We need our allies to step up,” O’Brien said. “America can’t do this alone.“Sometimes you have to be tough, you have to show tough love to your allies. And just like with family members sometimes you have to be tough with your family members.” More

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    The Guardian view on Putin and Kim: an alarming new pact needs close attention | Editorial

    A shiny, sanctions-busting Russian limousine for Kim Jong-un. A fawning, rapturous reception for Vladimir Putin. These grand gestures may be welcomed by the North Korean and Russian leaders, but are intended as much for their global audience as for each other. The real prize is the strategic partnership treaty that they signed during Mr Putin’s first visit to Pyongyang since 2000. The question is what it will mean in practical terms.The relationship has been reinvigorated by events outside Asia, but hopes of containing it lie within the region. The proximate cause is evidently Russia’s invasion of Ukraine: an isolated and impoverished Pyongyang is already believed to have supplied millions of artillery shells in return for cheap oil, food and other sorely needed goods. Russia might also benefit from North Korean manpower, though much more likely for labour than combat.Further back lies Donald Trump’s disastrous wooing and dismissal of Mr Kim. Entirely predictably, by handing him a top-level summit without any realistic strategy to improve relations in the long term, the then president ensured Mr Kim gave up on improving relations with the US and looked elsewhere. He also prompted Mr Putin and Xi Jinping, who had kept Mr Kim at a distance, to hug him closer.The revival of a Soviet-era pledge of mutual support against “aggression” sounds primarily symbolic given North Korea’s nuclear prowess. More disturbing is Mr Putin’s remark that the partnership could include “military technical cooperation”. US intelligence officials have said that they believe Russia is providing nuclear submarine and ballistic missile technology, though it is likely to extract a high price for such expertise and to have mixed feelings about North Korea’s advances. At a minimum, Russia – which signed up to sanctions in the Obama years – is now obstructing diplomatic action to restrain North Korea.The west has long feared a stronger relationship between Pyongyang, Moscow and Beijing. The launch of the Australian, UK and US (Aukus) security pact, a reaction to China’s growing forcefulness in the Asia-Pacific region, has in turn raised Beijing’s hackles. But China does not regard the others as peers and does not want to be seen as part of a trilateral axis with two pariah states, hence the lack of a Beijing stop on Mr Putin’s Asian tour itinerary. It would also like to retain primacy in managing North Korea, and to limit its weapons development. It does not want the US to become more active in the region and is concerned that it is growing closer to Japan and South Korea, which are also increasing their defence capabilities. Mr Kim’s shift from the long-held commitment to unification with the South to stressing hostility has not helped.South Korea also said explicitly that it will consider sending arms to Ukraine in reaction to the Russian-North Korean deal, spelling out the message to Moscow. Until now, Seoul has limited direct support to non-lethal supplies, though it has signed hefty arms deals with allies of Kyiv. Russia, which has also ramped up its own arms manufacturing at speed, may in the longer term seek to rekindle relations with South Korea and Japan anyway; their large economies compare strikingly to the limited attractions of North Korea. That too offers hope that this deal could be constrained both in extent and duration. The danger is how much damage is caused in the meantime. More

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    Experts dismiss Kristi Noem’s ‘dubious’ claim to have met Kim Jong-un

    The South Dakota governor, Republican vice-presidential hopeful and self-confessed dog-killer Kristi Noem’s bizarre claim in a new book to have met the North Korean dictator Kim Jong-un has been dismissed by experts as “dubious” and not “conceivable”.The Dakota Scout first reported Noem’s claim, which is in her forthcoming book, No Going Back: The Truth on What’s Wrong With Politics and How We Move America Forward.The book will be published next week. Last week, the Guardian obtained a copy and reported how Noem describes killing Cricket – a 14-month-old dog she said she “hated” – after deeming her uncontrollable and a danger to people, and a goat she said was “nasty and mean”, smelled “disgusting, musky, rancid”, and bothered her children.Noem has repeatedly defended the story as illustrative of the harsh realities of farm life. But it set off a political firestorm, by most assessments dynamiting the governor’s chance of being named running mate to Donald Trump, the presumptive Republican nominee for president.The Scout reported that Noem’s book also contains “at least two instances in which she recounts meetings with world leaders that are in dispute”.In one, Noem writes: “Through my tenure on the House armed services committee, I had the chance to travel to many countries to meet with world leaders.“I remember when I met with North Korean dictator Kim Jong-un. I’m sure he underestimated me, having no clue about my experience staring down little tyrants (I’d been a children’s pastor, after all).”But the Scout quoted one “longtime, high-level Capitol Hill staffer” who worked on the armed services committee when Noem was on it, between 2013 and 2015, as saying: “It’s bullshit.”“That staffer was among a dozen staffers … who said they had no knowledge of the meeting, or who said Noem had never mentioned it before,” the paper said.It quoted experts saying Noem’s claim to have met with Kim, the autocratic leader of a pariah state who did not even meet with Barack Obama – the US president for the first five years of Noem’s time in the US House – was unlikely.“I don’t see any conceivable way that a single junior member of Congress without explicit escort from the US state department and military would be meeting with a leader from North Korea,” George Lopez of Notre Dame University, an expert on North Korea, told the Scout.“What would have been so critical in his bag of tricks that he would have met with an American lawmaker, this one distinctively?”Another North Korea expert, Benjamin Young of Virginia Commonwealth University, called Noem’s account of meeting Kim “dubious”.“There’s no way,” Young told the Scout. “There’s no way.”Noem also claims to have canceled a meeting with Emmanuel Macron, the president of France. She writes of being in Paris, “slated to meet” the French president.“However, the day before we were to meet he made what I considered a very pro-Hamas and anti-Israel comment to the press. So, I decided to cancel. There is no place for pro-Hamas rhetoric.”Macron’s office told the Scout no direct invitation to Noem was issued, though it did say Noem and Macron might have been scheduled to attend the same event last 10 November.Noem spoke at a conference in Paris that day, the same day Macron called for a ceasefire in the Israel-Hamas war.Noem’s spokesperson did not comment to the Scout before it published its story.After the story went live, the paper said, it was told: “The publisher will be addressing conflated world leaders’ names in the book before it is released.”Trump did meet Kim: in Singapore in 2018, in Hanoi in 2019, and in the Demilitarised Zone between North and South Korea later the same year. No lasting diplomatic progress was made.
    This article was amended on 3 May 2024 to correct the title of the newspaper cited. It is the Dakota Scout, not the South Dakota Scout as first reported. More

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    Biden signs $95bn foreign aid package for Ukraine, Israel and Taiwan

    Joe Biden has signed into law a bill that rushes $95bn in foreign aid to Ukraine, Israel and Taiwan, a bipartisan legislative victory he hailed as a “good day for world peace” after months of congressional gridlock threatened Washington’s support for Kyiv in its fight to repel Russia’s invasion.The Senate overwhelmingly passed the measure in a 79 -18 vote late on Tuesday night, after the package won similarly lopsided approval in the Republican controlled House, despite months of resistance from an isolationist bloc of hardline conservatives opposed to helping Ukraine.“It’s going to make America safer. It’s going to make the world safer,” Biden said, in remarks delivered from the White House, shortly after signing the bill.“It was a difficult path,” he continued. “It should have been easier and it should have gotten there sooner. But in the end, we did what America always does. We rose to the moment, came together, and we got it done.”The White House first sent its request for the foreign aid package to Congress in October, and US officials have said the months-long delay hurt Ukraine on the battlefield. Promising to “move fast”, Biden said the US would begin shipping weapons and equipment to Ukraine within a matter of hours.Biden admonished “Maga Republicans” for blocking the aid package as Ukrainian soldiers were running out of artillery shells and ammunition as Iran, China and North Korea helped Russia to ramp up its aerial assault on Ukrainian cities and critical infrastructure.Rejecting the view that Ukraine is locked in an unwinnable conflict that has become a drain on US resources, Biden hailed Ukraine’s army as a “fighting force with the will and the skill to win”.But the president also pressed the case that supporting Ukraine was in the national security interest of the US.“If [Vladimir] Putin triumphs in Ukraine, the next move of Russian forces could very well be a direct attack on a Nato ally,” he said, describing what would happen if article 5 of the alliance’s charter, which requires the collective defense of a member in the event of an outside attack.“We’d have no choice but to come to their aid, just like our Nato allies came to our aid after the September 11 attacks.”He also promoted the bill as an investment in America’s industrial base, spurring the production of military equipment in states like Alabama, Arizona, Ohio and Pennsylvania, where some of the factories are located.The Ukrainian president, Volodymyr Zelenskiy, who had pleaded for help replenishing his country’s emptying war chest during a December visit to Washington, expressed gratitude to the president and lawmakers for pressing ahead with the security bill despite its long odds.“I am grateful to the United States Senate for approving vital aid to Ukraine today,” he wrote on X, adding: “Ukraine’s long-range capabilities, artillery, and air defense are critical tools for restoring just peace sooner.”The aid comes at a precarious moment for Ukraine, as the country’s beleaguered army attempts to fend off Russian advances. Zelenskiy has said Ukraine badly needed air defense systems and “long-range capabilities”.Shortly after the president signed the foreign aid bill, the Pentagon announced plans to “surge” $1bn in new military assistance to Ukraine. The package includes air defense interceptors, artillery rounds, armored vehicles, and anti-tank weapons.In total the legislation includes $60.8bn to replenish Ukraine’s war chest as it seeks to repel Russia from its territory; $26.3bn for Israel and humanitarian relief for civilians in conflict zones, including Gaza; and $8.1bn for the Indo-Pacific region to bolster its defenses against China.In an effort to attract Republican support, the security bill includes a provision that could see a nationwide ban on TikTok. The House also added language mandating the president seek repayment from Kyiv for roughly $10bn in economic assistance in the form of “forgivable loans”, an idea first floated by Donald Trump, who has stoked anti-Ukraine sentiment among conservatives.skip past newsletter promotionafter newsletter promotionAlthough support for the package was overwhelming, several Democrats have expressed their concern with sending Israel additional military aid as it prosecutes a war that has killed more than 34,000 people in Gaza and plunged the territory into a humanitarian crisis. Three progressive senators, Bernie Sanders, Peter Welch of Vermont and Jeff Merkley of Oregon, voted against the bill for its inclusion of military support to Israel.On Wednesday, Biden called the aid to Israel “vital”, especially in the wake of Iran’s unprecedented aerial assault on the country. Israel, with help from the US, UK and Jordan, intercepted nearly all of the missiles and drones and there were no reported fatalities. The attack had been launched in retaliation against an Israeli strike on an Iranian consular site in Syria.“My commitment to Israel, I want to make clear again, is ironclad,” Biden said. “The security of Israel is critical. I will always make sure that Israel has what it needs to defend itself against Iran and terrorists who it supports.”Biden’s abiding support for Israel’s war in Gaza has hurt his political standing with key parts of the Democratic coalition, especially among young people. As he spoke, students at some of the nation’s most prestigious universities were demonstrating against the war.Biden emphasized that the bill also increases humanitarian assistance to Gaza, touting his administration’s efforts to pressure Israel to allow more aid into the devastated territory. But House Republicans added a provision to the bill prohibiting funds to the United Nations Relief and Works Agency, Unrwa, a “lifeline for the Palestinian people in Gaza” that Israel has sought to disband.An independent review published this week said that Israel had yet to present evidence of its claims that employees of the relief agency are affiliated with terrorist organizations.“We’re going to immediately secure that aid and surge it, including food, medical supplies, clean water, and Israel must make sure all this aid reaches the Palestinians in Gaza without delay,” Biden said.Biden’s signatures marks the conclusion of the grueling journey on Capitol Hill. It was not clear whether the bill had a path forward amid the opposition of the newly installed House speaker, Mike Johnson, who holds a tenuous grip on his party’s vanishingly thin majority.Under pressure from his right flank, Johnson initially refused to allow a vote on Ukraine aid unless it was paired with a border clampdown. But then Trump, the presumptive Republican nominee for president, derailed a bipartisan border bill that included significant concessions to hardline conservatives, determined not to hand Biden an election-year victory on an issue that plays to his political advantage.Lobbied by the White House, European allies and pro-Ukraine Republicans, the House speaker finally relented, risking his job to bypass rightwing opposition and pass the foreign aid bill with the help of Democrats.Biden noted the absence of the immigration reform measure, which he called the “strongest border security bill this country has ever seen”, and committed to returning to the issue at another time.Despite the dysfunction in Washington, Biden said passing the bill proved a guiding principle of his presidential campaign: that there was enough goodwill left to forge compromise where it matters.“This vote makes it clear,” he said. “There is a bipartisan consensus for that kind of American leadership. That’s exactly what we’ll continue to deliver.” More

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    US House to vote on long-delayed foreign aid bills – including Ukraine support

    The US House of Representatives will finally vote on Saturday on a series of foreign aid bills, bringing an end to a months-long standoff in Congress led mostly by Republicans who refuse to support funding Ukraine’s ongoing military defense against Russia’s invasion.House members will hold separate votes on four bills that represent $95bn in funding altogether – including roughly $26bn in aid for Israel, $61bn for Ukraine, $8bn for US allies in the Indo-Pacific region and $9bn in humanitarian assistance for civilians in war zones, such as Gaza.The package largely mirrors the foreign aid proposal passed by the Senate in February, although the House legislation designates $10bn of the Ukraine funding as a repayable loan to appease some Republican members who are hesitant to approve additional aid.If passed, the legislation will provide a crucial financial lifetime for Ukraine at a time when the country’s military appears at its most vulnerable since the start of the war, due to dwindling supplies of ammunition and air defense missiles.The bills are expected to pass the House, after they easily cleared a key procedural hurdle on Friday before the final vote. Those that pass will be combined into a single package in order to simplify the voting process for the Senate, which will need to reapprove the proposal before it can go to Joe Biden’s desk for his signature.The procedural vote on the House package was 316 to 94, with 165 Democrats and 151 Republicans supporting the motion. The House speaker, Republican Mike Johnson, needed to rely on Democratic votes to pass the procedural motion, and he will almost certainly need to do so again to get the Ukraine aid bill across the finish line.“It’s long past time that we support our democratic allies in Israel, Ukraine and the Indo-Pacific and provide humanitarian assistance to civilians who are in harm’s way in theaters of conflict like Gaza, Haiti and the Sudan,” Hakeem Jeffries, the House Democratic leader, said on Friday. “House Democrats have once again cleared the way for legislation that is important to the American people.”Much of the House Republican conference remains opposed to sending more money to Kyiv, and Donald Trump once again voiced frustration with approving additional Ukraine aid in a social media post on Thursday. Fifty-five Republicans and 39 Democrats opposed the procedural motion on Friday.Johnson’s reliance on Democratic votes to pass key pieces of legislation, including a major government funding bill that cleared the House last month, has outraged some hard-right Republicans.“What else did Johnson give away while he’s begging Democrats for votes and protection?” Marjorie Taylor Greene, a Republican representative from Georgia, said on Friday on X. “We do not have a Republican majority anymore, our Republican Speaker is literally controlled by the Democrats and giving them everything they want.”skip past newsletter promotionafter newsletter promotionLast month, Greene unveiled a motion to remove Johnson as speaker, although she has not yet moved to force a vote on the matter. In the past week, two more House Republicans – Thomas Massie of Kentucky and Paul Gosar of Arizona – have signed on as co-sponsors to Greene’s motion, citing their mounting frustration with Johnson’s leadership.“We need a speaker who puts America first rather than bending to the reckless demands of the warmongers, neocons and the military-industrial complex making billions from a costly and endless war half a world away,” Gosar said in a statement on Friday.If Greene moves forward with the motion to vacate, Johnson will once again need to rely on Democratic votes to save him, as Republicans will have just a one-seat majority after Mike Gallagher of Wisconsin resigns in the coming days. Several House Democrats have indicated that they would come to Johnson’s assistance if the motion to vacate is brought up for a vote, and the speaker has appeared undaunted by the threats to his job, which he has held for just six months.“I’m going to do my job, and I’m going to stay dug in,” Johnson told radio host Mark Levin on Thursday. “I’m not changing who I am or what I believe, and I’m going to try to guide this institution.” More

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    Chinese students in US tell of ‘chilling’ interrogations and deportations

    Stopped at the border, interrogated on national security grounds, laptops and mobile phones checked, held for several hours, plans for future research shattered.Many western scholars are nervous about travelling to China in the current political climate. But lately it is Chinese researchers working at US universities who are increasingly reporting interrogations – and in several cases deportations – at US airports, despite holding valid work or study visas for scientific research.Earlier this month the Chinese embassy in Washington said more than 70 students “with legal and valid materials” had been deported from the US since July 2021, with more than 10 cases since November 2023. The embassy said it had complained to the US authorities about each case.The exact number of incidents is difficult to verify, as the US Customs and Border Protection (CBP) agency does not provide detailed statistics about refusals at airports. A spokesperson said that “all international travellers attempting to enter the United States, including all US citizens, are subject to examination”.But testimonies have circulated on Chinese social media, and academics are becoming increasingly outspoken about what they say is the unfair treatment of their colleagues and students.“The impact is huge,” says Qin Yan, a professor of pathology at Yale School of Medicine in Connecticut, who says that he is aware of more than a dozen Chinese students from Yale and other universities who have been rejected by the US in recent months, despite holding valid visas. Experiments have stalled, and there is a “chilling effect” for the next generation of Chinese scientists.The number of people affected is a tiny fraction of the total number of Chinese students in the US. The State Department issued nearly 300,000 visas to Chinese students in the year to September 2023. But the personal accounts speak to a broader concern that people-to-people exchanges between the world’s two biggest economies and scientific leaders are straining.The refusals appear to be linked to a 2020 US rule that barred Chinese postgraduate students with links to China’s “military-civil fusion strategy”, which aims to leverage civilian infrastructure to support military development. The Australian Strategic Policy Institute thinktank estimates that 95 civilian universities in China have links to the defence sector.Nearly 2,000 visas applications were rejected on that basis in 2021. But now people who pass the security checks necessary to be granted a visa by the State Department are being turned away at the border by CBP, a different branch of government.“It is very hard for a CBP officer to really evaluate the risk of espionage,” said Dan Berger, an immigration lawyer in Massachusetts, who represents a graduate student at Yale who, midway through her PhD, was sent back from Washington’s Dulles airport in December, and banned from re-entering the US for five years.“It is sudden,” Berger said. “She has an apartment in the US. Thankfully, she doesn’t have a cat. But there are experiments that were in progress.”Academics say that scrutiny has widened to different fields – particularly medical sciences – with the reasons for the refusals not made clear.X Edward Guo, a professor of biomedical engineering at Columbia University, said that part of the problem is that, unlike in the US, military research does sometimes take place on university campuses. “It’s not black and white … there are medical universities that also do military. But 99% of those professors are doing biomedical research and have nothing to do with the military.”But “if you want to come to the US to study AI, forget it,” Guo said.skip past newsletter promotionafter newsletter promotionOne scientist who studies the use of artificial intelligence to model the impact of vaccines said he was rejected at Boston Logan International airport. He was arriving to take up a place at Harvard Medical School as a postdoctoral researcher. “I never thought I would be humiliated like this,” he wrote on the Xiaohongshu app, where he recounted being quizzed about his masters’ studies in China and asked if he could guarantee that his teachers in China had not passed on any of his research to the military.He did not respond to an interview request from the Observer. Harvard Medical School declined to confirm or comment on the specifics of individual cases, but said that “decisions regarding entry into the United States are under the purview of the federal government and outside of the school’s and the university’s jurisdiction.”The increased scrutiny comes as Beijing and Washington are struggling to come to an agreement about the US-China Science and Technology Agreement, a landmark treaty signed in 1979 that governs scientific cooperation between the two countries. Normally renewed every five years, since August it has been sputtering through six-month extensions.But following years of scrutiny from the Department of Justice investigation into funding links to China, and a rise in anti-Asian sentiment during the pandemic, ethnically Chinese scientists say the atmosphere is becoming increasingly hostile.“Before 2016, I felt like I’m just an American,” said Guo, who became a naturalised US citizen in the late 1990s. “This is really the first time I’ve thought, OK, you’re an American but you’re not exactly an American.”Additional research by Chi Hui Lin More