Chinese activist activist Chen Guangchen

Chinese activist activist Chen Guangcheng (L) is seen in a wheelchair pushed by a nurse at the Chaoyang hospital in Beijing on May 2, 2012. A US official said there would be no repeat of the incident involving the activist Chen Guangcheng, but declined to comment on China’s call for an apology. AFP PHOTO/Jordan Pouille (Photo credit should read Jordan Pouille/AFP/GettyImages)