President Barack Obama returns a salute as he walks from Marine One helicopter as he lands at the U.S. Naval Academy before attending the Senate Democratic Issues Conference in Annapolis, Md., Wednesday, Feb. 6, 2013. (AP Photo/Charles Dharapak)

Associated Press
President Barack Obama returns a salute as he walks from Marine One helicopter as he lands at the U.S. Naval Academy before attending the Senate Democratic Issues Conference in Annapolis, Md., Wednesday, Feb. 6, 2013. (AP Photo/Charles Dharapak)
President Barack Obama returns a salute as he walks from Marine One helicopter as he lands at the U.S. Naval Academy before attending the Senate Democratic Issues Conference in Annapolis, Md., Wednesday, Feb. 6, 2013. (AP Photo/Charles Dharapak)
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