Chinese Vice Premier Wang Yang listens as Vice President Joe Biden speaks during the opening session of the 2013 Strategic and Economic Dialogue, Wednesday, July 10, 2013, at the State

 

              Chinese Vice Premier Wang Yang listens as Vice President Joe Biden speaks during the opening session of the 2013 Strategic and Economic Dialogue, Wednesday, July 10, 2013, at the State
Chinese Vice Premier Wang Yang listens as Vice President Joe Biden speaks during the opening session of the 2013 Strategic and Economic Dialogue, Wednesday, July 10, 2013, at the State Department in Washington. A month after the presidents of the U.S. and China held an unconventional summit at a California resort, their top officials are convening in more staid surroundings in Washington to review security and economic issues that reflect growing ties but also deep-seated differences between the world powers. (AP Photo/Evan Vucci)