jim goodby from the hoover institution. i just wondered particularly what you thought of the possibility that the cooperation that is taking place now within the p5 plus one framework we will continue and perhaps expand and what does it mean for the relations among these countries that are in the group. this is a fairly important development where some potential nesting. >> i think it is true that this deal would not have happened without quite effective diplomatic cooperation between the united states and russia, which at the moment on ukraine and most issues are fundamentally on the opposite side and likewise between the europeans and russia. and we have seen on this deal that the priority given to nonproliferation has meant that the countries have been able to coordinate their positions. and i would be cautious in suggesting that that is going to be expanded and can build on it for a broader cooperation. when there is a paramount goal like nonproliferation where the p5 fundamentally create, then they can come together, b