washington u.s. senate vote unanimously wednesday toughen sanction north korea nuclear program human right record cyber activities u.s. lawmakers seek crack pyongyang nuclear test house representatives pass similar bill last month differences two expect resolve quickly senate democrats say expect president barack obama would sign measure law white house threaten veto spokesman tell reporters response bill lawmakers say want make washington resolve clear pyongyang unite nations governments especially china north korea lone major ally main business partner senate vote north korea sanction policy enhancement act 96-0. back bill strong two republicans vie party 2016 presidential nominee senators ted cruz marco rubio leave campaign trail vote senator bernie sanders democratic contender miss vote china entity could something block u.n. security council action toward do multilateral basis say republican senator bob corker chairman senate foreign relations committee much effective get international community support us say senator ben cardin panel top democrat draw parallel u.s. sanction become multilateral regimes iran south africa congress clamor clampdown since pyongyang test nuclear device january weekend satellite launch fuel call director national intelligence jam clapper tell senate tuesday north korea follow plan re-start plutonium production reactor could begin assemble plutonium stockpile within months senate bill would sanction anyone engage facilitate contribute north korea proliferation weapons mass destruction arms-related materials luxury goods human right abuse activities undermine cyber security provision materials activities penalties include seizure assets visa ban denial government contract unusually measure make sanction mandatory rather give president option impose temporarily waive make case would threaten national security senate unanimously back tough north korea sanction