skeptical about what the d.i.a. might say. but you're saying that the pentagon, while they're saying this hasn't been tested and they're saying this is not a nuclear warhead, they are saying that it's correct that they can put some sort of nuclear device on to a missile? >> what they are saying essentially is that the north koreans are working towards that goal. the pentagon officially says they haven't fully tested and developed one, but the pentagon isn't saying they're not doing it and i think that's really the key here. the pentagon is sort of parsing this, officially saying not fully tested, not fully developed, but people behind the scenes will tell you straight out that that is the north korean goal and they're making progress on it. and one of the real questions is how are they doing it. who is helping them. you know, a lot of rumors go through the intelligence community all the time that the iranians are helping them. this is highly technical work, very doubtful they're doing it all by themselves. they're getting help from