President Barack Obama and China's President Hu Jintao take part in a joint news conference, Wednesday, Jan. 19, 2011, in the East Room of the White House in Washington. (AP Photo/J. Scott Applewhite)

Photo by: J. Scott Applewhite

President Barack Obama and China's President Hu Jintao take part in a joint news conference, Wednesday, Jan. 19, 2011, in the East Room of the White House in Washington. (AP Photo/J. Scott Applewhite)