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Photo by: Kirsty Wigglesworth

Britain's Queen Elizabeth II (right) waves after addressing both houses of Parliament in Westminster Hall in London on Tuesday, March 20, 2012, to mark her Diamond Jubilee on the throne. Baroness D'Souza (foreground left), speaker of the House of Lords, and John Bercow (foreground center), speaker of the House of Commons, were among the dignitaries in attendance. (AP Photo/Kirsty Wigglesworth, Pool)

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