North Korea is a nuclear power with over one million soldiers and a close ally of China . And due to the desasterous economic situation ,the dictator has nothing to lose and that is the reason why the international community dosen't want to risk WW III. Lieberman has got a lot to learn, especially solving a problem with diplomacy and not allways with Bombs.
Guatemala judge orders former President Otto Perez Molina detained for hearing in fraud scandal (AP)
from the article: Lieberman: How will the world stop Iran if it can't stop N. Korea?