What Joe Biden could realistically do to win over the left

Joe Biden's campaign is reportedly looking into ways to shore up its left flank. As Greg Sargent and Paul Waldman write at The Washington Post, he is proposing lowering the Medicare eligibility age to 60 and a means-tested program of student debt forgiveness. Unsurprisingly, these timid ideas were greeted with derisive jeers on the left.But there are other steps Biden could take if he wanted to seriously demonstrate he is not as bad as the left says he is. Bernie Sanders did endorse Biden in a j