2020 Democratic presidential frontrunner and former Vice President Joe Biden said Monday he is open to selecting a Republican running mate to join him on the ticket if nominated this summer. “Our 21-year-old son said the other night, ‘I wonder if Joe Biden would consider choosing a Republican as a running mate,’” one woman asked Biden during a New Hampshire town hall.“The answer is I would, but I can’t think of one now,” Biden responded. “You know there’s some really decent Republicans that are out there still, but here’s the problem right now…they’ve got to step up.”It was a smart...