President Barack Obama President Barack Obama

President Obama and Chancellor Angela Merkel during the official arrival ceremony for the German leader at the White House this morning (June 7, 2011). Jewel Samad /AFP/Getty Images hide caption

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Jewel Samad /AFP/Getty Images

President Obama, accompanied by Commons Speaker John Bercow and Lords Speaker Baroness Helen Hayman, as he entered Westminster Hall. Nicholas Kamm /AFP/Getty Images hide caption

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Nicholas Kamm /AFP/Getty Images

President Obama, during his address at the State Department on Thursday (May 19, 2011). Jim Watson /AFP/Getty Images hide caption

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Jim Watson /AFP/Getty Images