>> greta: another big foreign policy problem for the u.s.. north korea leaders warning hostile u.s. policy could spark a nuclear war n april after north korea launched a long range rocket, the u.s. led the push for broader sanctions against north korea. then, the obama administration cancel aid deal so how will president obama deal with this volatile nation in the second term? is north korea contained in the sense they haven't done anything provocative recently. we don't hear much from them there. is no sort of discussion about them, are they sort of on hold and quiet now? so there isn't a lot of attention ton them? >> i don't think so. i think the fact the obama administration didn't engage in concessions to the north koreans the way the bush administration did, has been a