Moderator Fred Barnes, Executive Editor of The Weekly Standard, Olivier Knox, Chief Washington Correspondent for Yahoo! News, and Tom DeFrank, Contributing Editor to National Journal discuss Iranian President Rouhani’s ‘charm offensive’ which is raising hopes that Iran and the US can move closer toward a deal over Iran’s nuclear program, the viability of a framework for ending Syria’s chemical weapons program, and security issues in connection with the shooting in DC Navy Yard.