On Tuesday the Wall Street Journal published the story of Zhang Kun, an idealistic 26-year-old whose chance discovery of some Tiananmen Square Massacre footage led him to question his assumptions about his government and eventually brought him into the Chinese reform movement. Mr. Zhang became involved with the New Citizens Movement, an initiative aimed at facilitating China’s transition to a civil society. The organization was launched in 2010 by Xu Zhiyong, a civil liberties lawyer, and supported by venture capitalist Wang Gonguan. Shortly after the movement’s leaders were detained Mr.