Barack Obama is a lawyer, so it was stunning to read that he ventured into the Michael Flynn case in a way that misstated the supposed crime and ignored the history of his own Administration in targeting Mr. Flynn. Since the former President chose to offer his legal views when he didn’t need to, we wonder what he’s really worried about. “There is no precedent that anybody can find for someone who has been charged with perjury just getting off scot-free,” Mr. Obama said in the Friday call to about 3,000 members of the Obama Alumni Association. The comments were...