Tonight on The Last Word: Donald Trump lies about presidential immunity after his court loss. Also, a new amicus brief on Trump's ballot disqualification calls for the Supreme Court to use a "50-state solution." Plus, Republicans block a bipartisan border bill after Trump criticizes the deal. And Democrats probe potential ethics and tax violations by Justice Clarence Thomas. Barbara McQuade, Glenn Kirschner, Akhil Amar, Sen. Jon Tester, and Sen. Sheldon Whitehouse join Lawrence O'Donnell.

Tonight on The Last Word: The differences between Donald Trump and Joe Biden's words. Also, the New Hampshire attorney general says the fake Biden robocall is the first major AI attempt to interfere with the election and dupe voters. Plus, Ukrainian forces are running low on supplies as Republicans in Congress hold up a foreign aid package. And the Pennsylvania special election on Tuesday could decide who controls the state House. Rep. Robert Garcia, Clint Watts, Nevada Secretary of State Cisco Aguilar, Simon Shuster, and PA Rep. Joanna McClinton join Jonathan Capehart.