MSNBC’s Dr. Jason Johnson fills in for MSNBC’s Ari Melber to host “The Beat” on Thursday, June 24, and reports on the formation of a select committee to investigate the January 6th riot, the fight in Congress over election reform, the suspension of Rudy Giuliani’s law license, and the criminal probe into Rep. Matt Gaetz. Former SDNY prosecutor John Flannery and The Nation’s Elie Mystal join.