Tonight on the Last Word: Trump pardons criminals he has seen on Fox News. Also, Rep. David Cicilline discusses the questions he plans to ask Attorney General Bill Barr under oath in the attorney general’s scheduled appearance before the House Judiciary Committee. Plus, Jennifer Palmieri and Jamil Smith join Lawrence to look ahead to Wednesday night’s Democratic presidential debate. And Dan Pfeiffer discusses his new book called, “Un-Trumping America” and the importance of winning the Senate. Joyce Vance, Barbara McQuade and Benjamin Wittes also join Lawrence O’Donnell.