Biden celebrated a 'great milestone' for the nation as the CDC says fully vaccinated people can go most places without a mask. Tensions between Israelis and Palestinians escalate further leading to fears of all-out war in the region. Plus, the GOP remains in disarray after the ousting of Rep. Liz Cheney from House leadership. MSNBC's Brian Williams discusses that and more with Jonathan Lemire, Katie Benner, Gen. Barry McCaffrey, Dr. Vin Gupta, Don Calloway, and Stuart Stevens.