CNN CNN Newsroom Live January 6, 2016 05:12:00
>> the honest answer is we don't really know. but if you go back over the years, many times there have been miscalculations or misjudgments from outsiders about whether the north was really capable of doing this. and one reason frankly is that the north's image in the rest of the world often lends itself to satire, to people belittling the north's idiosyncrasies. the fact is they have a plutonium capability. there was a lot of skepticism, but in the end, it turned out they did have a uranium capability and it turns out they're working towards a hydrogen capability. we can't sitting here today ...
Source: archive.org