Photo: Scott Olson/Getty Images

Sen. Bernie Sanders on Sunday dismissed claims from some Democrats that it would be difficult to unite the party around him, insisting on ABC's "This Week" that the "threat" that President Trump poses will rally Democratic voters and leaders to support the eventual nominee.

What he's saying: "At the end of the day, I have known Joe Biden for a very long time. He is a decent guy. I have no doubt that if I win, Joe will be there. If Joe ends up winning, I will be there. We are going to come together and President Obama in my view — he has said this — will play a leading role in helping whoever the Democratic nominee is."

Why it matters: Establishment Democrats have been sounding the alarm over nominating a democratic socialist, believing that Sanders will lose to President Trump in the general election and damage down-ballot candidates for House and Senate.

  • Sanders supporters, many of whom adopted the mantra "Bernie or bust" in 2016, are also the least likely of any candidate's base to say they'll support the eventual Democratic nominee if it isn't Sanders, according to polling.
  • Trump has been stoking these flames as well, persistently tweeting about whether the Democratic Party will "steal" the nomination from Sanders. Trump advisers told Axios they want to promote the rise of Sanders, believing he will be an easy candidate to defeat.

The big picture: While Sanders still leads the pack as the Democratic front-runner heading into Super Tuesday, Joe Biden's sweeping victory in South Carolina Saturday night could give him a much-needed boost of momentum.

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"I stood up for that": Pope Francis voices support for same-sex civil unions

Pope Francis at St. Peter's Basilica in Vatican City. Photo: Vatican Pool - Corbis/Corbis via Getty Images

Pope Francis voiced his support for same-sex civil unions for the first time as pope in the documentary “Francesco,” which premiered Wednesday at the Rome Film Festival, per the Catholic News Agency.

Why it matters: The pope’s remarks represent a break from the position of the Roman Catholic Church, which has long taught that homosexual acts are “intrinsically disordered" and contrary to natural law.

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Countries waiting to see if Trump wins before moving on Israel normalization

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The White House is attempting to leverage momentum from Israel's normalization deals with Bahrain and the UAE to get more Arab countries on board before the U.S. election.

Driving the news: President Trump wants Sudan's removal from the U.S. state sponsors of terrorism list to be accompanied by a pre-election announcement on Israel.

Poll: 92% of battleground state voters are "extremely motivated to vote"

Voters stand in line at the Metropolitan Multi-Services Center in Houston, Texas, on Oct. 13. Photo: Mark Felix for The Washington Post via Getty Images

91% of likely voters nationally say they are "extremely motivated to vote," including 92% in battleground states Arizona, Florida, Michigan, North Carolina, Pennsylvania and Wisconsin, according to a Change Research/CNBC Poll.

Why it matters: The 2020 election could see record-breaking levels of voter turnout. Voters last week cast ballots at nearly five times the rate they did at this point in the 2016 election, per the U.S. Elections Project. Over 39 million ballots have been cast in early voting states as of Wednesday.