Building H-bombs much more complex than A-bombs
North Korea's government bragged Wednesday that it had tested "a smaller H-bomb," calling it the "H-bomb of justice."
01:30 Kim Jong-nam Was Killed by VX Nerve Agent, Malaysians Say13
22:18 Trump says he wants to expand U.S. nuclear arsenal8
09:03 Kim Jong Nam Death: North Korea Could Lose a Rare Friend19
08:55 North Korea says Malaysia can’t be trusted to investigate the killing of leader’s half brother19