Yahoo News’ Michael Isikoff, an early public conduit for Christopher Steele’s anti-Trump dossier, now says the former British spy’s sensational Russia collusion charges lack apparent evidence and are “likely false.” As Election Day loomed in September 2016, Mr. Isikoff was the first Washington journalist to write about Mr. Steele’s memos. He focused on Mr. Steele’s contention that Trump campaign volunteer Carter Page met with nefarious operatives of Russian President Vladimir Putin during a publicly announced trip to Moscow in July 2016. As reported by the Daily Caller, Mr. Isikoff this month told Mediaite columnist John Ziegler: “When you actually get...