Tiananmen leader on Hong Kong: "I am pretty pessimistic"

Wang Dan was one of the most visible faces of China's 1989 pro-democracy movement, which ended in a bloody crackdown. What does he make of the worsening political unrest in Hong Kong?

(Photo: Pro-democracy leaders speak in Beijing's Tiananmen Square in 1989 - from left to right Chai Ling, Wuer Kaixi, and Wang Dan. Credit: Peter Turnley/Corbis/Getty Images)