U.n. security council has voted unanimously for tougher sanctions against north korea, they include financial sanctions, travel restrictions and inspection powers. leading up to the vote, pyongyang unleashed a harsher butt oig of its typically fiery rhetoric, it included threatening enemies with the possibility of preemptive nuclear attack. susan rice and robert menendez had this reaction. >> i don't think that the regime in pyongyang wants to commit suicide, but that as they must surely know, that would be the result of any attack on the united states. >> we'll chief nothing but continued thr...