free-for-all. there is a great clip where one of our experts say potatoes are guarded better rather than the highly enriched uranium used in nuclear weapons.ç >> let's talk about iran. that hasn't happened yet, thank god. let's go to iran. it's my sense, people have told me that mullahs or the secular people want a nuclear weapon to bolster the prestige of people in that region. no matter what happens to the politics, it seems we're facing a real challenge of having a country like that with a nuclear arsenal eventually. >> indeed. i don't think there was any question that iran is seeking a nuclear weapon. the question then becomes if they get it, then you begin an arms race in that entire region. and it just continues to build, which is why "countdown to zero" not only talks about the horrors of nuclear weapons either