nuclear weapons and that's a tremendous danger for our collective future. >> p.j., should the americans be worried about the dessert fiction or should we look at this as an opportunity for congress to make the deal better? >> i certainly don't think congress is going to necessarily make the deal better. i mean, let's step back. there's no prospect that the allies or the other seven parties are going to renegotiate the deal. now, what congress will try to do, listening to senator tom cotton last week, outlining a prospective strategy, this congress will be asked to try to bring into the deal through unilateral legislative fiat, more aggressive sanction, more aggressive inspection, trying to make this a permanent deal and try to bring missiles insidite ran deal. the net effect of that is probably going to be termination of the deal, if the president follows through on his threat. and the irony here is that