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Photo by: Charles Dharapak

President Barack Obama, followed by, from second from left, Gen. David Petraeus, Defense Secretary Robert Gates, Vice President Joe Biden, and Joint Chiefs Chairman Adm. Michael Mullen, walks to the Rose Garden of the White House in Washington, Wednesday, June 23, 2010, to announce that Petraeus would replace Gen. Stanley McChrystal. (AP Photo/Charles Dharapak)

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