‘Cows coming home!’: Mary Trump says ‘unprepared’ Donald is ‘short circuiting’ in court

Donald Trump is the first former U.S. president ever to go on criminal trial. Donald’s niece, Mary Trump joins MSNBC’s Katie Phang on what he is feeling inside that courtroom. Mary Trump adds Donald has shown a “lack of impulse control” and that does not bode well for him sitting inside that courtroom.