Trump Attorney General Bill Barr is under fire for misleading the public on the Mueller report and is now making news with a Fox News interview in which he appears to be pushing for an investigation of the investigators that he says cleared the President. MSNBC Chief Legal Correspondent, Ari Melber, breaks down how Barr’s new remarks show he is doubling down on untrue claims and backing up President Trump, which is the opposite of how our system should work.