Elon Musk speaks out against Trump tariffs. Also, fired Justice Department attorneys speak out against the Trump administration. Plus, "Hands Off" protests demand action against the Trump agenda. And the Supreme Court pauses the deadline to return a man mistakenly deported to El Salvador. Catherine Rampell, Sen. Adam Schiff, Rep. Maxwell Frost, and Andrew Weissmann join Lawrence O'Donnell.

House Republicans cancel Wednesday night's budget vote. Also, Trump's tariff pause comes after markets lose trillions. Plus, House Democrats launch an inquiry of Trump aides' Signal use. And GOP senators up in 2026 face Trump tariff backlash. Rep. Brendan Boyle, Jason Furman, Rep. Stephen Lynch, and fmr. Rep. Wiley Nickel join Lawrence O'Donnell.