Sen. Mike Lee deletes some posts about the Minnesota lawmaker shootings. Also, The Washington Post reports Sen. Tim Scott's 60-second video attacking the Congressional Budget Office contains nine errors. And the fight over Donald Trump's National Guard deployment in California continues in an appeals court. Norm Orstein and Lisa Rubin join Lawrence O'Donnell.

Rep. Jamie Raskin demands an investigation into the FBI's role in Sen. Padilla's detention. Plus, a new poll shows growing outrage over Trump's sweeping deportations. Also, Trump's tariffs are making life more expensive for Americans. And Nippon Steel completes its acquisition of U.S Steel. Rep. Jamie Raskin, Patrick Gaspard, Ron Insana, Lauren Hirsch, and Bridget Brink join Catherine Rampell.