The north koreans still have a lot of problems with their guidance system. so what they're doing, clearly, is putting the parts and pieces together but how soon they really can make it all work, that is really the key and that is what tonight we do not have the answer to, wolf. >> interesting development. very, very critically important at least potentially. barbara, thank you. just a few moments ago i spoke with the united nations secretary general ban ki-moon. he is here in washington and just met with president obama in the oval office of the white house. i asked the u.n. secretary general ...