Former Labor Secretary Robert Reich is telling Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE supporters they are “dead wrong” if they “consider Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE to be no worse than Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE.”

Reich is a prominent Sanders supporter who endorsed him for president in February, even though he served in the administration of Clinton's husband, former President Bill Clinton William (Bill) Jefferson ClintonBattle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates Bill Clinton on GOP push to fill Ginsburg vacancy: Trump, McConnell 'first value is power' MORE.

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“You are, of course, entitled to support anyone you wish to. But if you don’t get behind Hillary you increase the odds that Donald Trump will be president,” Reich wrote in a blog post Tuesday. “That would be a disaster for America and the world.”

Reich asked Sanders supporters to continue the movement that the former Democratic presidential candidate started to ensure real progress.

“A Trump presidency would make it far more difficult ever to achieve the progressive goals you and I share,” he continued.

Trump and Hillary Clinton are likely to square-off in the general presidential election. Trump was formally nominated at the Republican National Convention on Tuesday, while Clinton is expected to be nominated by the Democratic Party at its convention next week.