i wonder if you could give us your views following up on what you said to the thesis that walter russell meade has put out in a couple of provocative pieces of conceiving of the international system right now as the united states and the west against china, russia, iran, north korea. sort of looking to them as an alliance with the kind of unified vision of revisionist. >> i think they are in effect an alliance. and there have been elements of that that have been present for a while, iran and north korea cooperating in the development of missiles and nuclear weapons. russia and china cooperating to china's benefit in trade and technology and energy and so on. so, yes, i think there's a loose alignment of states see it as being in their interest to check and stymy and oppose american power, first of all, and also, which take their bearing to some degree by the u.s. and western reactions to their behavior. so i think some of the problems we're having, for example, now in dealing with china in east asia and russia and eastern europe have to do with the fact that the leaders of those regimes don't