Jason Chaffetz said former FBI Director James Comey has a lot of "explaining to do" in light of new reports that he began drafting a statement exonerating Hillary Clinton even before interviewing key witnesses, including the former secretary of state. "He's certainly got a lot of explaining to do. He could have perjured himself," the former House oversight committee chairman said on "Fox & Friends." Senate Judiciary Committee Chairman Charles Grassley and fellow GOP Sen. Lindsey Graham wrote a letter to the FBI this week, expressing concern over whether Comey made up his mind about the email investigation months before...