>> they have not had an official response but the basic idea that i've gotten is this deal is a big deal no matter what anybody says and probably more in line with what carney said to this other thing. >> right. the iranians are going to have to sell this or at least explain this to their domestic audience and that's what they are trying to do. it's not an easy sell for them. the obama administration is going to have to do that with their domestic audiences. it's going to be a hard fight in congress. the fight is not over. they've been keeping democrats or a majority of democrats on their side. without more information and without more details that will contradict which very well could be exaggerated deals, democrats are going to have a hard time defending their staying with the administration on this issue. >> the big tension here is the united states is releasing some sanctions, billions of dollars will be made available to the iranians. in stages, not all at once. if there are skeptics on capitol