have concluded this is a good deal? why? this is the best opportunity we have to delay and potentially to stop an iran nuclear situation. this is a deal that calls for iran to get rid of 98% of its highly enriched rue y eed urani thirds of all of its centrifuges, to get rid all of its 5% to 20% enriched uranium and to do all of this by march. before any sanctions are lifted. now, for the moment, every country in the world voted at the u.n. in favor of this treaty. it has the backing, of course, of russia and china, germany and great britain and france parties with us and they re sticking with us on the sanctions so along as we re with the deal. now, if we were to back out of the deal, there is no assurance