what do you make of the announcement? there was many more that came out at 2:30. what worries you? >> there are a couple of things that are worrisome, first is the actual voemt of the bomb and the capability of its being fitted to an icbm. to marry the two together, this is a cliche, say it's a game changer. it would be a game changer. putting the united states at risk not just for atomic weapons but for thermonuclear device with far greater destructive power would change our attitudes about what needs to be done, shorten the time line of when we could do something and there is no good military option at the moment and give us impetus to sit down with china and figure out some way to ensure that