Tonight on the Last Word: House Speaker Nancy Pelosi won’t budge on sending impeachment articles to the Senate. Also, the House of Representatives passed a new war powers resolution to restrict military actions against Iran. Plus, Frank Rich talks to Lawrence about what might happen after Trump vacates the Oval Office. And Democratic presidential candidate Tom Steyer joins Lawrence to discuss making the cut for the next Democratic debate and impeachment. Rep. Marcy Kaptur, Jason Johnson, Eugene Robinson and Sen. Ed Markey also join Lawrence O’Donnell.