MSNBC's Ari Melber hosts "The Beat" on Friday, October 14 and reports on explosive newly revealed video from January 6 which shows Nancy Pelosi and Chuck Schumer scrambling to save the Capitol and pleading for law enforcement help. Plus, Liz Cheney highlighting that 30 witnesses have plead the fifth amendment to the committee. Fmr. DNC Chair Howard Dean joins, alongside Michael Beschloss and Emily Bazelon.