CNN CNN Newsroom Live January 7, 2016 05:08:00
Neighboring countries are trying to gather up this dust. no word on when they could have results. john? >> thank you. north korea says its latest nuclear test was a hydrogen bomb. and if it's true, that would mean a giant leap forward for the country's weapons program. cnn's tom foreman explains. >> if north korea actually gets a hydrogen bomb it will wall street right into the top tier of nuclear weapons, because when the united states, russia, france, china or great britain talk about their nouk leer arsenal, they're talking about hydrogen bombs. not merely atomic bombs like we talk about th...