Sen. Mark Kelly sues Pete Hegseth over his censure. Also, Donald Trump calls Sen. Elizabeth Warren after her speech on affordability. Plus, the Trump Justice Department subpoenas the Federal Reserve in a criminal probe over Chair Jerome Powell's testimony. And Trump defends the Department of Homeland Security's use of deadly force in Minnesota. Sen. Mark Kelly, Sen. Elizabeth Warren, and Sen. Ruben Gallego join Lawrence O'Donnell.