Bernie Sanders endorsed Joe Biden's presidential campaign on Monday, encouraging his progressive supporters to rally behind the presumptive Democratic nominee in an urgent bid to defeat President Donald Trump.
"I am asking all Americans, I'm asking every Democrat, I'm asking every independent, I'm asking a lot of Republicans, to come together in this campaign to support your candidacy, which I endorse," the Vermont senator said in a virtual event with Mr. Biden.
The backing came less than a week after Mr. Sanders ended his presidential campaign, which was centered around progressive policies such as universal health care. It's a crucial development for Mr. Biden, who must bridge the Democratic Party's entrenched ideological divides to put together a coalition that can beat Mr. Trump. Democratic disunity helped contribute to Hillary Clinton's loss to Mr. Trump in 2016.
Perhaps eager to avoid a repeat of that bruising election year, Mr. Sanders offered his endorsement much earlier in the 2020 campaign. Mr. Sanders backed Mrs. Clinton four years ago, but only after the end of a drawn-out nomination fight and a bitter dispute over the Democratic platform that extended to the summer convention.
Mr. Biden and Mr. Sanders differed throughout the primary, particularly over whether a government-run system should replace private health insurance. Mr. Biden has resisted Mr. Sanders' "Medicare for All" plan and has pushed instead a public option that would operate alongside private coverage.
Appearing in a split screen with Mr. Biden, Mr. Sanders said there's "no great secret out there that you and I have our differences."
But Mr. Sanders said the greater priority for Democrats of all political persuasions should be defeating Mr. Trump.
"We've got to make Trump a one-term president," he added. "I will do all that I can to make that happen."
The coronavirus prevented Mr. Biden and Mr. Sanders from appearing together in person on Monday. But they made clear they would continue working together, announcing the formation of six "task forces" made up of representatives from both campaigns to work on policy agreements addressing health care, the economy, education, criminal justice, climate change, and immigration.
Mr. Biden, 77, has already made some overtures to progressives by embracing aspects of Mr. Sanders' and Sen. Elizabeth Warren's policies. The day after Mr. Sanders exited the race, Mr. Biden came out in support of lowering the Medicare eligibility age from 65 to 60 while pledging to cancel student debt for many low- and middle-income borrowers. He's also previously embraced Ms. Warren's bankruptcy reform plan.
Mr. Sanders, 78, is sure to remain a force throughout the campaign. When he ended his candidacy, he said he would keep his name on the ballot in states that have not yet voted in order to collect more delegates that could be used to influence the party's platform.
He didn't say on Monday whether he would continue to fight for those delegates.
Still, Mr. Sanders and Mr. Biden emphasized their mutual respect for each other on Monday.
Mr. Sanders referred to the former vice president as "Joe." Mr. Biden answered him repeatedly as "pal." The two men asked the other to give regards to their wives, Jill Biden and Jane Sanders.
Mr. Biden told Mr. Sanders: "I really need you, not just to win the campaign but to govern."
Even with Mr. Sanders' dozens of campaign stops for Mrs. Clinton – a record he brought up repeatedly to push back at the idea that he was partly to blame for her defeat – Monday's conversation was something voters never saw between the 2016 rivals. Whether that translates to how Mr. Sanders' progressive base sees Mr. Biden is not yet clear.
Some progressive leaders were positive but guarded in response to Mr. Sanders' endorsement.
"This endorsement shows that everyone wants to beat Trump," said Adam Green, co-founder of the Progressive Change Committee that originally supported Warren.
"Our side will be increasingly energized the more it's clear that progressive ideas and progressive leaders like Elizabeth Warren, Bernie Sanders, and grassroots organizations have strong positions of influence with Biden," Mr. Green said.
But others remained skeptical. The divisions in the party were clear on Monday when, in an interview with The Associated Press just a few hours before Mr. Sanders' endorsement, New York Rep. Alexandria Ocasio-Cortez criticized Biden's overtures to progressives on health care.
"We need a real plan and not just gestures," she said. "What I'd like to see at a bare minimum is a health care plan that helps extend health care to young people."
Mr. Trump's campaign, meanwhile, seized on Mr. Sanders' endorsement to underscore Mr. Biden's embrace of some of his plans, with campaign manager Brad Parscale saying in a statement that "though Bernie Sanders won't be on the ballot in November, his issues will be."
"Biden had to adopt most of Bernie's agenda to be successful in the Democrat primaries. One thing that is missing is enthusiasm, however, as almost no one is excited about a Biden candidacy," he said.
But Mr. Sanders could go a long way toward infusing Mr. Biden's campaign with additional energy if he's able to bring his enthusiastic following of millions of young and progressive voters along with him to support Mr. Biden. Young voters, a key Democratic voting bloc, have long supported Mr. Sanders over his former primary rivals by huge margins.
Mr. Biden and Mr. Sanders on Monday emphasized the need to address the challenges confronting young people during the pandemic, with Mr. Sanders describing "a generation of young people who are experiencing crisis after crisis."
This story was reported by The Associated Press.
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