Tonight on The Last Word: Donald Trump is charged with 37 criminal counts in the classified documents case. Neal Katyal, Bradley Moss, Andrew Weissmann and Professor Laurence Tribe join Lawrence O'Donnell.

Tonight on The Last Word: Donald Trump pleads not guilty in the classified documents case. Also, Trump debuts a new motive after his federal arraignment. And Trump struggles to keep legal representation. Andrew Weissmann, Neal Katyal, Bradley Moss, Professor Laurence Tribe and Jon Sale join Lawrence O'Donnell.