Joint Chiefs Chairman Gen. Mark Milley testified about Mark Meadows Jan. 6 conversation
The House select committee investigating the Jan. 6 attack on the U.S. Capitol has started holding a series of public hearings. During a prime-time hearing, lawmakers showed never-before-seen footage from the attack along with testimony from people in former President Trump's inner circle. CBS News chief election and campaign correspondent Robert Costa discussed what was revealed during the hearing.