The chief justice of the US supreme court, John Roberts, argued that removing Donald Trump from states’ primary ballots for the presidential election could mean some states would remove the Democratic candidate, some states would remove the Republican candidate, leaving the presidential election to just a few states.
A majority of justices, including some from the court’s liberal wing, voiced concern about the chaos that would ensue if they allowed states to decide whether to disqualify candidates when they debated Colorado’s decision to rule Trump ineligible to run for office for inciting insurrection
Source: US Politics - theguardian.com