Tonight on The Last Word: The New York Times reports Donald Trump's PACs spent $50M on legal expenses in 2023. Also, House Republicans move to impeach Homeland Security Secy. Mayorkas over the border. Plus, right-wing media targets Taylor Swift. And the Biden campaign releases an ad calling Trump "confused." Bradley Moss, Andrew Weissmann, Rep. Eric Swalwell, and Simon Rosenberg join Lawrence O'Donnell.