Bao Tong, aide to the late reform-minded former Communist Party general secretary, Zhao Ziyang, speaks from his home in Beijing, China, April 23, 2014. After the June 4, 1989, military crackdown to end weeks-long student protests, Bao was imprisoned for seven years. Since his release in 1996, he has lived under house arrest, his moves observed, his visitors screened by security services who sit at a desk in the lobby of his high-rise apartment building. Ng Han Guan/AP