Jan 6th hearings Day 4: Breaking down Shaye Moss's emotional testimony

Katy Tur, Andrea Mitchell, and Hallie Jackson spoke with Capitol Hill correspondent Ali Vitali, MSNBC contributor Chuck Rosenberg, MSNBC legal analyst Joyce Vance, MSNBC national security analyst Frank Figliuzzi, Former RNC chairman Michael Steel, and NBC News Senior Reporter Ben Collins about todays January 6th hearing.