Donald Trump's global tariffs are blocked by a federal trade court. And new corruption concerns rise as Trump profits from his office and pardons political allies. Sen. Amy Klobuchar, Kenneth Vogel, and Sen. Sheldon Whitehouse join Lawrence O'Donnell.

Conservatives slam Donald Trump's tariffs as unconstitutional. Also, tourism from nations hit by Trump's tariffs plummets. Plus, while leaving his White House role Elon Musk dodged a question about a New York Times reports on his alleged drug use on the campaign trail. And Trump pardons criminals convicted of tax and fraud crimes. Jared Bernstein, Nevada Attorney General Aaron Ford, Ruth Ben-Ghiat, and Brendan Ballou join Ali Velshi.