Tonight on the Last Word: The House Judiciary Committee releases Don McGahn’s testimony on Donald Trump. Also, Senate Democrats are willing to consider changing the voting and elections bill to win Sen. Joe Manchin’s support. Plus, Republican legislatures advance voter restrictive bills that make it easier to overturn election results. And former President Obama issues a warning about ongoing threats to democracy. Rep. Eric Swalwell, Andrew Weissmann, Ezra Klein, Rep. Mondaire Jones, Lauren Groh-Wargo and Zerlina Maxwell join Lawrence O’Donnell.