What we know about the days leading up to the Capitol attack

As the Jan. 6 committee begins public hearings, we get two perspectives on what happened during the Capitol attack and the days leading up to it. Donell Harvin, former head of Homeland Security and Intelligence for the District of Columbia and senior policy researcher at the Rand Corporation, and Andrea Bernstein, journalist and co-host of the 'Will Be Wild' podcast, join Judy Woodruff to discuss.