US President Barack Obama and first lady Michelle Obama greet President Hu Jintao as he arrives for a State Dinner in his honor at the White House in Washington, Jan 19, 2011. [Photo/Agencies]

A White House kitchen staffer sets the main table during a press preview of the table settings for the state dinner hosted by US President Barack Obama for President Hu Jintao at the White House in Washington Jan 19, 2011. [Photo/Agencies]

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