President Barack Obama hugs NASA astronaut Mark Kelly, husband of Rep. Gabrielle Giffords (D-AZ), during a service in Tucson, Ariz., Wednesday. Jewel Samad/AFP/Getty Images hide caption

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President Obama listens as Secretary of State Hillary Rodham Clinton speaks at the State Department in Washington on Dec. 13, 2010. Jewel Samad/AFP/Getty Images hide caption

itoggle caption Jewel Samad/AFP/Getty Images