Tonight on the Last Word: The New York Times reports that Donald Trump went through boxes of classified documents himself in late 2021. Also, an NBC poll finds “threats to democracy” to be a top issue for voters. Plus, Democrats hope legislative wins will boost midterm turnout. And a young gun control advocate takes activism to Congress by running for office. Andrew Weissmann, Bradley Moss, Rep. Hakeem Jeffries, David Plouffe, Eugene Robinson, Maxwell Alejandro Frost and David Hogg join Lawrence O’Donnell.