b'MSNBC\'s Ari Melber hosts "The Beat" on Friday, April 14 and reports on Donald Trump trying to block Mike Pence testifying in the Jan. 6 probe and the Clarence Thomas ethics scandal. Plus, a look at the history of Manhattan D.A. Alvin Bragg. Rapper Future joins for an exclusive "Beat" interview on music, the drug war, and his new cannabis line, EVOL.'