19 states sue Donald Trump over Elon Musk's Treasury access. Also, Vladimir Putin is capitalizing on Trump's national security chaos. Plus, federal courts are blocking parts of Trump's extreme agenda. And a Democrat flips an Iowa State Senate seat in a district Trump won by 21 points. California Attorney General Rob Bonta, Rep. Melanie Stansbury, Amb. Michael McFaul, Joyce Vance, and Iowa State Sen.-elect Mike Zimmer join Ali Velshi.

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.