CNN CNN Newsroom With Brooke Baldwin January 6, 2016 20:24:00
Fission explosion device which is a little simpler and they've mastered so far. at the same time, though, north korea could have potentially taken a couple of steps further and developed a little bit more of a complicated device. that device, though, would be more of a one-stage thermonuclear device, which is a lot easier to build compared to a two-stage fission/fusion but a little more complicated than their past models. however, brooke -- >> hang on. can i just jump in? i'm sorry. trying to follow you through the phases. when you're looking, clearly you are quite bright on all of this, when ...
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