Guests: Sen. Sheldon Whitehouse, Stephanie Ruhle, Sen. Ed Markey, Paul McLeary

Tonight: alarming new reporting on the painful costs of tariffs as the White House tries to contain the chaos Trump began. Then, why Elon Musk is putting down the DOGE chainsaw and returning to Tesla. Plus, Senator Ed Markey on his meeting with a college student facing deportation for writing an editorial. And new reporting over a "complete meltdown" in the Pentagon under Pete Hegseth.

Want more of Chris? Download and subscribe to his podcast, “Why Is This Happening? The Chris Hayes podcast” wherever you get your podcasts.