U.S. cannot force regime change in Iran ‘through the air’: Fmr. CIA Director Petraeus

NBC News correspondents Brian Cheung, Monica Alba, Matt Bradley and Courtney Kube discuss the surging price of oil as a result of the war in Iran and what could come next as military operations escalate. Former CIA Director David Petraeus discusses the possibility of putting U.S. troops on the ground in Iran.