Tonight on the Last Word: Accusations grow that Attorney General Bill Barr is using the Department of Justice to help Trump in criminal cases. Also, Fmr. Gov. Bill Weld joins Ali to discuss the growing crisis at the Justice Department and the current state of the GOP primary race. Plus, Michael Moore returns to discuss how strong Trump’s re-election chances are. And Democratic voters share their thoughts on the state of the race in Nevada. Neal Katyal, Zerlina Maxwell and Cristina Beltran also join Ali Velshi.