FBI Director James Comey said he’s not going to reopen the investigation into Hillary Clinton’s emails, telling Congress on Wednesday that none of the recent revelations since he closed the case in July “would come near” to that trigger point. . . Mr. Comey also said he couldn’t remember another instance where the subject of an investigation — Mrs. Clinton’s former chief of staff, Cheryl Mills, sat in on the FBI’s interview with another subject, in this case Mrs. Clinton. But he also said that the FBI had no power to exclude someone from the interview, and he defended his...