MSNBC's Ari Melber hosts "The Beat" on Thursday, May 15, and reports on SCOTUS hearing arguments in President Trump's birthright citizenship case, new fallout from Trump's trade war and the latest developments in the Diddy trial. Amb. Gordon Sondland, Jared Bernstein, Emily Bazelon and Steven Levitsky join.

MSNBC's Ari Melber hosts "The Beat" on Monday, April 19, and reports on President Trump's free speech crackdown with James Comey, Trump's flip-flop on tariffs and House Republicans' effort to gut healthcare for millions of Americans. Dr. David Kessler, Maya Wiley and David Ziblatt join.