Lawrence: Senator says ‘we have a delusional president’ as war continues

Tonight on The Last Word: Iran rejects Donald Trump’s peace plan to end the war. Also, a Jack Smith memo exposes Trump’s potential motive in the classified documents case. Plus, DHS funding talks intensify as airport chaos mounts. And a Democrat flips a Florida state House seat in Trump’s district. Sen. Mark Kelly, Sen. Cory Booker, Rep. James Walkinshaw, and Emily Gregory join Lawrence O’Donnell.