On June 4 China will face the 19th anniversary of the killing of citizens occupying Tiananmen Square. Nineteen years ago as president of PEN USA, I remember well sorting through dozens of unfamiliar Chinese names as we sought to untangle what writers had been arrested. Today there are at least 42 writers imprisoned in China.

I wake up 22 stories in the air. Most of Hong Kong is in the air with thousands of high rises shooting into the sky. I’m in a cubicle—two small beds pressed against each wall, a tiny shelf between, a TV mounted on the wall at the foot of one bed. At the head of...