Tonight on The Last Word: Donald Trump abruptly fires Joint Chiefs of Staff Chairman CQ Brown. Plus, Kash Patel is sworn in as Trump’s new FBI director. Also, Trump attacks Zelenskyy while praising his talks with Putin. And PA State Rep. Mandy Steele warns against Trump’s medical research cuts. Jennifer Rubin, Ruth Ben-Ghiat, Rep. Raja Krishnamoorthi, and Michael McFaul also join Ali Velshi.

Tonight on The Last Word: The Senate GOP confirms Kash Patel to be FBI director.  Plus, the Trump administration fires thousands of IRS workers. Also, NY Governor Kathy Hochul vows to stop the ‘Trump revenge tour.’ And an appeals court rejects Trump’s bid to reinstate his Birthright Citizenship order. Sen. Adam Schiff, Sen. Edward Markey, and Andrew Weissmann join Lawrence O’Donnell.

Tonight on The Last Word: Democrats demand answers on Elon Musk’s access into government agencies. Plus, Donald Trump lies calling Ukraine’s Zelenskyy a ‘dictator.’ And Donald Trump endorses a GOP plan that could cut Medicaid. Adam Klasfeld, Andrew Weissmann, Sen. Sheldon Whitehouse, and Norm Ornstein join Lawrence O’Donnell.

Tonight on The Last Word: Resignations mount at the Justice Department under Trump. Plus, Democrats demand answers on Elon Musk’s access into Social Security. And Trump and Putin officials meet without a Ukrainian envoy. Andrew Weissmann, Sen. Ron Wyden, and Timothy Snyder join Lawrence O’Donnell.

Tonight on The Last Word: Musk’s DOGE team targets the Social Security and IRS systems. Plus, the White House claims in a court filing that Elon Musk is not the administrator of DOGE. Also, a former USAID officials speaks out against the Trump-Musk funding freeze. And Lawrence O’Donnell discusses the legacy of SNL’s Executive Producer Lorne Michaels with Susan Morrison, author of the new book ‘Lorne.’ Sen. Amy Klobuchar, E.J. Dionne, and Anne Linn also join Lawrence O’Donnell.

Tonight on The Last Word: A DOJ lawyer eviscerates Donald Trump in their resignation letter. Plus, a new lawsuit against Elon Musk claims that his role and DOGE are unconstitutional. Also, U.S. Sec. of Defense Pete Hegseth says returning Ukraine to its 2014 borders is “unrealistic.” And Democrats win big in special election after Trump attack. Andrew Weissmann, Rep. Jamie Raskin, William Tong, William Taylor, and Ken Jenkins join Ali Velshi.

Tonight on The Last Word: Six prosecutors resign after refusing to drop charges against NYC Mayor Eric Adams. Plus, a former USAID official speaks out against the Trump-Musk funding freeze. Also, the GOP advances a budget plan that calls for healthcare cuts. And Elon Musk meets with India’s Prime Minister in Washington D.C. Andrew Weissmann, Sarah Charles, Rep. Brendan Boyle, and Norm Ornstein join Lawrence O’Donnell.

Tonight on The Last Word: U.S. inflation worsens with rising grocery and gas prices. Plus, Senate Democrats push GOP on Trump’s economic agenda. Also, the Trump-Musk USAID freeze puts HIV treatment in Africa at risk. Rep. Melanie Stansbury, Sen. Sheldon Whitehouse, and Declan Walsh join Lawrence O’Donnell.

Tonight on The Last Word: Trump fires the USAID Inspector General after a critical report. Plus, concerns grow that the Trump administration won’t comply with the courts. Also, Fmr. Secretary of the Interior Deb Haaland announces her run for governor of New Mexico. Nicholas Kristof, Sen. Tammy Baldwin, David Super, also join Lawrence O’Donnell.

Tonight on The Last Word: The Trump DOJ drops charges against NYC Mayor Eric Adams. Plus, House Democrats introduce a bill to block Elon Musk’s treasury access. Also, Donald Trump and Elon Musk spread lies about USAID funding. Rep. Daniel Goldman, Andrew Weissmann, Rep. Haley Stevens, and Dr. Atul Gawande join Lawrence O’Donnell.