would undermine israel's very existence. christiane amanpour, your thoughts right now, what do you think? >> reporter: well, wolf, just as jim says, there was nothing new. you were all worried and reporting that perhaps there would be some details of the negotiations that would be leaked or that there were some things that none of us had known in the public sphere that we might know after this speech. but that doesn't seem to have been the case. instead, wolf, it was a very dark speech painting the picture of a distoppian war. now, obviously many people are very concerned about iran and there is a deep lack of trust. but surely the same was said of the soviet union all those years ago. and so the idea presumably that the united states and its allies have is to have some enforceable arms control.