U.K. Ambassador Mark Lyall, left, and U.S. Ambassador Susan Rice confer before members of the United Nations Security Council vote for tough new sanctions against North Korea for its latest nuclear test, during a meeting at U.N. headquarters Thursday, March 7, 2013. The unanimous vote by the U.N.'s most powerful body sparked a furious Pyongyang to threaten a nuclear strike against the United States. (AP Photo/Bebeto Matthews) Photo: Bebeto Matthews
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