“President Biden’s guiding principle for jumping into the 2020 presidential race was that he was the only person who could beat then-President Donald Trump. Now, if Biden is to jump out of the race, he — and he alone — will have to decide he is no longer that person,” the Washington Post reports. “Democratic allies, strategists and elected officials are in growing agreement about the conditions required for Biden to step aside.” “The polling would need to further plummet.