During his epic impromptu news conference today at the White House, president Trump trolled senator Richard Burr bigly by wondering aloud why the head of the Senate intel committee (Burr) would want more information from Don Jr. who just might point out to Burr that one of the Trump Tower meeting participants, Natalia Veselnitskaya, was an operative for Fusion GPS (the cobblers of the Golden Shower Dossier) who called Glen Simpson (boss at Fusion GPS) before and after the Trump Tower meeting.