they try to clean it up. we then have a dispute, perhaps within the p5-plus one, and whether the other countries will go along with it. i'm trying to work my way whether this is really workable. we have to balance all that against what's the alternative. and there, i think all of us are operating somewhat in the dark. >> you bring up very good points, all of which need to be addressed. what happens if this deal does not go through congress? >> that's the big question. you know frankly, anyone who says they can tell you with certainty is going to happen is blowing smoke. we can make an educated guess about it. probably it would be reasonable to expect that if we sink the deal effectively, that russia and china will go on and do business with iran. we will maintain our sanctions. we will fight with europeans to see if we can get them to retain theirs. iran could decide to comply nonetheless, making the deal with europe, or it may decide to