Fareed Zakaria Gps

Iranian Foreign Minister Javad Zarif joins Fareed to answer Trump's allegations against Iran this week at the UN. And, Fareed talks to heads of state from all across the globe as they gather in New York for the UN General Assembly. GUESTS: Javad Zarif, Chile Eboe-Osuji, Enrique Pena Nieto, Alain Berset, Jacinda Ardern, Mohammed Mahatir, Mark Rutte, Petro Poroshenko via Knit