. >> joining us to delve deeper into the issues on iran and syria, curt volcker, a former u.n. ambassador to nato is in washington, d.c. ires foreign minister will have a chance to speak directly to secretary of state john kerry today. how do they even begin this conversation? >> the fact is the conversation has begun a long time ago. we've been having these p5 plus one talks and this meeting today is another in that framework for five, six, seven years now. i don't remember the exact date. there have been a number of proposals, they have gradually moved in the direction of iran continuing to have a civilian nuclear program. originally the demands was no enrichment whatsoever. iran has never really grasped this to lock in a program in cooperation with the rest of the international community. they've insisted on a unilateral right to enrich uranium to levels that really can only be explained by a nuclear weapons program. that's where iran needs to bring something new to the table. the tone is great, there is a change. we have to welcome that and explore it, but we have to see ne