Former Vice President Joseph R. Biden on Friday said that he was not sorry for his habit of stroking and kissing women in professional settings. “I’m sorry I didn’t understand more. I’m not sorry for any of my intentions. I’m not sorry for anything I’ve ever done,” he told reporters in Washington. Mr. Biden is poised to enter the 2020 Democratic presidential race as the front-runner, but recent complaints by several women about his handsy behavior over the years has cast doubt over his expected run. **SNIP** Two days earlier, he posted an online video in which he promised to...