VIDEO: Cliff Kupchan: reasons to be optimistic on a deal with Iran

Pugwash Council member Cliff Kupchan on why track 2 efforts support a belief that a diplomatic deal with Iran on the nuclear issue is probable.

“The role of track 2 is very important: it allows very well-informed people on the US and on the Iranian side to inform each other of what is going on. Those views can then be relayed to respective governments.”