How 'Rosewater' became Jon Stewart's directorial debut

"Rosewater" marks the screenwriting and directorial debut of "The Daily Show" host and executive producer Jon Stewart. The film follows Tehran-born Canadian-citizen Maziar Bahari as he returned to Iran in 2009 to interview Mir-Hossein Mousavi, the chief challenger to incumbent president Mahmoud Ahmadinejad. The two sat down with senior correspondent Jeffrey Brown to discuss how it all came about.