CNN Erin Burnett OutFront January 7, 2016 00:10:00
This shows a higher level of technical expertise. and the atom bomb, oddly enough, even though it's physically a big device normally, it presents a smaller blast in nuclear terms than the hydrogen bomb which can be made smaller and produce a bigger blast. so kate, this is the kind of thing that would be easier fitted onto a rocket that north korea has right now and launched at somebody else. >> hence why it is so dangerous and such a concern in the united states and beyond. so how big would the blast -- you say it's bigger. how big would the blast be from a hydrogen bomb? >> if we went back to...