developing a hydrogen bomb is inevitable. translator: a successful testing of the h-bomb would be a dangerous step forward for the rogue nation s nuclear program. it would be more powerful than devices pyongyang tested in the last ten years. experts do not believe noik has yet the technical expertise to make such a sophisticated bomb. and scientists studying the quake, said it was no larger than that created by the country s last atomic trial in 2013. it will take more time to confirm or deny whether an h-bomb blast has happened. the intent is clear. they ve made clear that they have the determination to do so. and that could be the aim. kim jong-un appears to want to get international attention back. as well as firming up domestic support. this is a way in which the leadership, kim jong-un can cement his authority at home. and a mounting cost, south