Andrea Mitchell Reports 09/18/13

EXCLUSIVE: Iran president Rouhani says they will never develop...

In his first interview with a U.S. news outlet since becoming president, Hassan Rouhani told NBC News’ Ann Curry that he has full authority to strike a nukes deal with the west. Watch more on Nightly News at 6:30 p.m. ET. ... more Duration: {{video.duration.momentjs}}