when a final agreement is due. >> it sounds as if progress is being made and i'd say if a waiting interim agreement has been followed it gives you confidence that the two sides can trust each other and they'll find a workout before it ace over. >> reporter: fwhounow it won't be all over for at least another three months. jim absolute toe sciutto. >> the former commander in chief of centcom, the author of "before the first shots of fired," also serves for a contracting firm. from what we know so far, do you think this is a good deal? >> well, it's aes's hard to tell where it comes out in the end. we know what the issues are, verification of -- i would sum up the really important part is the ability to enforce any kind of measures if there's a violation in some way, reinstating sanctions or some