anybody that thinks sanctions is going to be effective is not seeing the same reality that the regime in tehran is seeing. >> greta: do you believe they are going to get nuclear weapons or is there going to be an action that prevents them? >> the israelis are the only power that is prepared to do anything. the united states under obama certainly not. israelis are under enormous pressure from the administration not to strike. if i were betting, iran gets nuclear weapons but i wouldn't count israelis out at this point. >> greta: you think a republican president would take a different -- >> i would go further, i don't think most candidates are prepared to articulate. let's be clear. it's a worldwide problem and we are not stopping it now. >> greta: ambassador, thank you. now to another crisis, violence exploding in syria. syrian government is turning