Tonight on The Last Word: Conservatives slam Donald Trump’s tariffs as unconstitutional. Also, tourism from nations hit by Trump’s tariffs plummets. Plus, while leaving his White House role Elon Musk dodged a question about a New York Times reports on his alleged drug use on the campaign trail. And Trump pardons criminals convicted of tax and fraud crimes. Jared Bernstein, Nevada Attorney General Aaron Ford, Ruth Ben-Ghiat, and Brendan Ballou join Ali Velshi.

Tonight on The Last Word: A second federal court rules Donald Trump’s tariffs are illegal. Also, a federal judge blocks Trump’s ban on Harvard University’s foreign students. And Elon Musk officially leaves the White House. Rick Woldenberg, Laurence Tribe, and Rep. Melanie Stansbury join Lawrence O’Donnell.

Tonight on The Last Word: Donald Trump’s global tariffs are blocked by a federal trade court. And new corruption concerns rise as Trump profits from his office and pardons political allies. Sen. Amy Klobuchar, Kenneth Vogel, and Sen. Sheldon Whitehouse join Lawrence O’Donnell.

Tonight on The Last Word: Stocks rally after Donald Trump backs down and delays EU tariffs. Also, Trump seeks to end all federal contracts with Harvard University. Plus, Trump says Vladimir Putin is “playing with fire.” And Wisconsin voters reject Elon Musk’s political influence. Robert Reich, Rep. Jamie Raskin, Timothy Snyder, and Ben Wikler join Lawrence O’Donnell.

Tonight on The Last Word: Donald Trump condemns Vladimir Putin after Russia strikes Ukraine. Also, Trump attacks judges in a Memorial Day post. Plus, Trump escalates his fight with Harvard University. The Trump trade war undercuts American battery makers. House Republicans pass a bill that would cut Medicaid funds from Planned Parenthood. And Trump delays 50% tariffs on EU goods until July 9. Amb. Michael McFaul, Rep. Zoe Lofgren, Norm Ornstein, Laurence Tribe, Michigan State Rep. Joe Tate, Rep. Adam Smith, Carrie Baker, and Betsey Stevenson join Lawrence O’Donnell.

Tonight on The Last Word: Donald Trump’s crypto dinner raises questions on ethics and access. Also, Trump confirms his attempt to deport migrants to South Sudan. Plus, Trump confronts South Africa’s leader with debunked “white genocide” claims. And the Trump Justice Department announces its plan to cancel George Floyd era police reforms. Nnamdi Egwuonwu, Sen. Jeff Merkley, Barbara McQuade, Patrick Gaspard, and Toluse Olorunnipa join Jason Johnson.

Tonight on The Last Word: The Pentagon says it accepted Qatar’s luxury jet. Also, a Trump bill would make the largest Medicare cuts in history. Plus, retailers warn of price increases due to Trump tariffs. And Trump-Musk cuts are keeping HIV meds from African patients. Sen. Adam Schiff, Paul Krugman, and Dr. Atul Gawande join Lawrence O’Donnell.

Tonight on The Last Word: Democrats say the CBO finds Trump’s budget bill contains $500 billion in Medicare cuts. Also, Senate Democrats question Trump’s IRS pick on ethical issues. Plus, Reuters reports $98 million in U.S. food aid is rotting in warehouses after the Trump-Musk cuts to USAID. And Jonathan Capehart discusses his new memoir, “Yet Here I Am: Lessons from A Black Man’s Search for Home.” Rep. Brendan Boyle, Sen. Catherine Cortez Masto, Jonathan Landay, and Jonathan Capehart join Lawrence O’Donnell.

Tonight on The Last Word: The Trump budget plan puts health care coverage in jeopardy. Plus, Democrats press Attorney General Pam Bondi on Qatari Jet. And Trump attacks companies over tariff-linked price hikes. Rep. Daniel Goldman and Rep. Jamie Raskin join Lawrence O’Donnell.

Tonight on The Last Word: The Supreme Court blocks Trump’s bid to resume deportations under The Alien Enemies Act of 1798. And the GOP defies Trump, striking down a bill advancing his agenda. Rep. Gwen Moore, Rick Stengel, Prof. Larry Glickman, and Tony Ortiz join Ali Velshi