U.S. Secretary of Agriculture Tom Vilsack, 3rd left, U.S. Trade representative Ron Kirk, 4th left, U.S. Commerce Secretary Gary Locke, 5th left, and China's Vice Premier Wang Qishan, 6th left, and other officials witness the signing ceremony of the 20th China and U.S. Joint Commission on Commerce and Trade Thursday Oct. 29, 2009 in Hangzhou, China. AP Photo logo AP Photo 1 month ago

U.S. Secretary of Agriculture Tom Vilsack, 3rd left, U.S. Trade representative Ron Kirk, 4th left, U.S. Commerce Secretary Gary Locke, 5th left, and China's Vice Premier Wang Qishan, 6th left, and other officials witness the signing ceremony of the 20th China and U.S. Joint Commission on Commerce and Trade Thursday Oct. 29, 2009 in Hangzhou, China.