cliff. they still may be a bad actor. >> will containment? >> where we ought to be aiming is denuclearization. >> destroy the weapons they have. >> you've got to get the weapons out of there. they pose a threat not just to the region, they pose a threat to the united states. >> is that realistic. >> and to the world. >> can any president do that? president obama couldn't do it. george w couldn't do it. clinton couldn't do it. we've been trying since the '90s, remember the clintons tried to give them coal so they wouldn't go nuclear. >> the part that keeps changing. you asked me for my optimistic scenario is the allies. we were never going to be able to do this on our own. we didn't do iran on our own. we didn't saddle up and ride in on a horse. >> will she help us? >> that's the question. has she looked over the border and said wait a minute, we've got a guy liking that with nuclear weapons right on our border? we need to rethink this.