Paul Rosenzweig Reacts To Riot at US Capitol

Today, Congress was tasked with certifying the result of the presidential election -- a process that should have been a mere formality. Instead, thousands of armed pro-Trump demonstrators breached the barriers protecting the U.S. Capitol, calling for a halt to the certification. Paul Rosenzweig, a former high level official at the Department of Homeland Security, joins Christiane to discuss.