iran has a perfect record of violating every inspection agreement. and i don't think that these snap-back prorovisions are -- they're easier said than done. >> let's put it quickly what the agreement says snap-back, i never heard this before, sanctions would be lifted but if there's any violation then they, quote, snap back. >> we're farming out the inspections to u.n. officials. once those sanctions are lifted you'll have companies in asia and europe going in to cut deals with iran. and then there will be tremendous pressure to keep those deals in place. snap-back provisions or no snap-back provisions because there will be an economic interest from those countries to keep that business going. so, once we lift these sanctions, i think it will be very hard to get back to where we are now. i would also add, that neither president obama or the iran foreign minister mentioned that