President Obama and China's President Hu Jintao, during a state arrival ceremony on the South Lawn of the White House in Washington, Wednesday, Jan. 19, 2011. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

President Obama and China's President Hu Jintao, during a state arrival ceremony on the South Lawn of the White House in Washington, Wednesday, Jan. 19, 2011. (AP Photo/Charles Dharapak)