Activist urges U.S. to push China

Chinese activist Chen Guancheng (R) speaks as Jerome Cohen (L), adjunct senior fellow for Asia studies at the Council on Foreign Relations, looks on at the Council on Foreign Relations on May 31, 2012 in New York City. This was Chen's first major public engagement since he escaped confinement and left China nearly two weeks ago. (Photo by Mario Tama/Getty Images)

Chinese activist Chen Guancheng (R) speaks as Jerome Cohen (L), adjunct senior fellow for Asia studies at the Council on Foreign Relations, looks on at the Council on Foreign Relations on May 31, 2012 in New York City. This was Chen's first major public engagement since he escaped confinement and left China nearly two weeks ago. (Photo by Mario Tama/Getty Images)