BEIJING – NOVEMBER 17: (L-R) US President Barack Obama shakes hands with Chinese President Hu Jintaoafter a joint press conference at the Great Hall of People on November 17, 2009 in Beijing, China. Obama is on an official nine-day, four nation, Asia tour during which he has visited Japan and attended the APEC Summit in Singapore before heading to China. Following his vist to China, where he is expected to discuss the economy, trade and climate change, he will head to South Korea. (Photo by Feng Li/Getty Images)