MSNBC's Ari Melber hosts "The Beat" on Monday, March 4, and reports on the Supreme Court's ruling to keep Donald Trump on the Colorado ballot and recent questioning of pundits' "anti-Biden" narrative. Neal Katyal and Nina Totenberg join to discuss. Plus, a peek into Melber's interview with actress and playwright Anna Deavere Smith in the latest "Mavericks" installment. Watch the full interview at msnbc.com/mavericks.