VIDEO-US Nuclear Negotiator: It is in US National Security Interest That Iran-IAEA Understandings Are Confidential | MRCTV

Undersecretary of state Wendy Sherman tussled with Senator David Vitter (R-La.) during a Senate Banking Committee hearing Wednesday, as he asked her repeatedly if she thought it appropriate that she – who does not get to vote on the Iran nuclea deal – has seen secret side agreements between Iran and the IAEA, while lawmakers who do get to vote will not.