U.S. Secretary of Agriculture Tom Vilsack, right, and China' s Vice Premier Wang Qishan, left, shake hands before a delegation leaders meeting Thursday Oct. 29, 2009 in Hangzhou, China. They participate the 20th China and U.S. joint commission on commerce and trade. AP Photo logo AP Photo 28 months ago

U.S. Secretary of Agriculture Tom Vilsack, right, and China' s Vice Premier Wang Qishan, left, shake hands before a delegation leaders meeting Thursday Oct. 29, 2009 in Hangzhou, China. They participate the 20th China and U.S. joint commission on commerce and trade.