MSNBC's Ari Melber hosts "The Beat" on Friday, March 7 and reports on tensions between Elon Musk and Trump's cabinet, Trump's string of legal losses as the Supreme Court rejects his bid to avoid paying USAID contractors, and market instability amid tariff uncertainty. Marty Baron, Joyce Vance, and Bryan Lanza join.

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.