On April 18, 2002, Yang Jianli, a U.S.-based Chinese activist who openly calls for democracy in China, went to China for a short visit after 13 years in exile. A week later, after visiting some cities rocked by protests of unemployed workers, he disappeared. He was secretly arrested by the Chinese government and has been jailed incommunicado for more than a year. Recently the Chinese government announced that it is charging Yang with illegally entering China and espionage, charges which carry sentences ranging from ten years' imprisonment up to the death penalty. Yang's ordeal is, sadly, not an anomaly. In...