Richard Burr thinks that Michael Cohen’s testimony contradicting Don Jr.’s testimony is reason enough to subpoena the president’s son, in violation of the agreement between Congress and Don Jr. that he would testify, answering all of the questions, and that would be it, which did happen, not to mention that some of the participants in the Trump Tower meeting were working with Fusion GPS, involved in the arrangement of the Golden Shower Dossier to frame then candidate and now president Trump, so Richard Burr could be the clown of the decade, get that guy out of there Mitch!