ISIS ‘radically shrinking’ amid U.S.-supported campaigns

At the end of a brutal campaign to retake Mosul in Iraq, and as the fight for Raqqa continues, where does the battle against the Islamic State stand? Judy Woodruff speaks with Special Presidential Envoy Brett McGurk, who says the Islamic State is “radically shrinking” and that President Trump’s decision to delegate rapid decision-making has greatly assisted their efforts.