WASHINGTON — Federal agents were still cataloging the classified information from Hillary Rodham Clinton’s personal email server last week when President Obama went on television and played down the matter. Stories from Our Advertisers “I don’t think it posed a national security problem,” Mr. Obama said Sunday on CBS’s “60 Minutes.” He said it was a mistake for Mrs. Clinton to use a private email account when she was secretary of state, but his conclusion was unmistakable: “This is not a situation in which America’s national security was endangered.” Those statements angered F.B.I. agents who have been working for months...