MSNBC's Ari Melber hosts "The Beat" on Tuesday, March 26, and reports on today's Supreme Court arguments on a challenge to the abortion pill mifepristone, a new gag order in Trump's legal battles, and federal raids of Sean "Diddy" Combs' home. Alexis McGill Johnson and Nina Totenberg join to discuss. Plus, listen to part 2 of an interview with former U.S. Attorney General Eric Holder as part of the "Summit" series. Watch the full interview at msnbc.com/summit.
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