"A staff fixes the presidential seal before US President Barack Obama gives a press conference in the Eisenhower Executive Office Building at the White House in Washington, DC, on December 22, 2010. Obama celebrated the Senate ratification of a nuclear arms reduction treaty with Russia, saying it ""sends a powerful signal to the world."" AFP PHOTO/Jewel Samad (Photo credit should read JEWEL SAMAD/AFP/Getty Images)"
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