In a press conference seen as an opportunity to defuse concerns about his candidacy, President Joe Biden mixed up his rival with Vice President Kamala Harris. During a press conference on Thursday, a reporter asked, “What concerns do you have about Vice President Harris’ ability to beat Donald Trump if she were at the top of the ticket?” “Look, I wouldn’t have picked Vice President Trump to be vice president if I didn’t think she was not qualified to be vice president,” Biden responded. Biden’s...