Joe Biden, the presumptive Democratic presidential nominee, has not held a press conference in more than a month. While Biden has hosted some virtual events and given a handful of interviews to friendly media outlets, the candidate has been largely spared the traditional media exposure candidates typically face during an election year. The former vice president's gaffes, while not completely absent these days, have become less noticeable as Biden hunkers down in his Delaware basement. Biden's insulation from the media comes at a time when the sexual-assault allegation against the candidate appears bolstered by new evidence. It also doesn't help...