capabilities. so that's the challenge. that's what iran has to prove. then will the united states and the west decide to have some kind of meaningful reciprocity? in other words, would they lift some of the sanctions in exchange for a step-by-step transparency of iran. those two really antagonistic bits you played from the previous president is what has gotten the world so angry about iran and so fearful and mist trustful over the last eight years. much more fearful and mistrustful than they were before. so president rouhani, who's a moderate and said he'd been elected with a mandate to pursue a more moderate, less extremist, those are his words, foreign policy and engagement with the west. he came here promising to show, quote, the true face of iran. he was obviously meaning not the face that was just presented by ahmadinejad, his predecessor. clearly, in terms of style, there's a massive change already