On December 9 and 10, 2016, the New York Times and the Washington Post independently reported that anonymous senior intelligence officials had told them that, based on intercepted communications, the intelligence agencies agreed that Russia had hacked the Democratic National Committee to help Donald Trump win the election. Their evidence was the fact of their access to U.S communications intelligence. A flood of subsequent stories also cited allegations by “senior intelligence officials” that “intercepted communications” and “intercepted calls” showed that “members of Donald J. Trump’s 2016 presidential campaign and other Trump associates had repeated contacts with senior Russian intelligence officials...