Trump on defense over tariffs as markets plunge

The Beat with Ari Melber - A podcast by Ari Melber, MSNBC

MSNBC's Ari Melber hosts "The Beat" on Tuesday, March 11, and reports on the stock market plunge and Donald Trump's "triple legal blow." Plus, Grammy-winning artist Lupe Fiasco joins Melber. Jared Bernstein, Rick Wilson and Leslie Caldwell join.