In August 1967, I found myself in a situation so precarious, so surreal, that it would etch itself into the marrow of my memory. I was aboard a cargo ship docked in China, surrounded by Red Guards stationed on board twenty-four hours a day, spaced no more than thirty paces apart. After being coerced into writing a confession—declaring myself a U.S. aggressor and a supporter of Chiang Kai-shek, the Nationalist leader in Taiwan—I was told by the second steward, who handled the ship’s correspondence, that I had about two days before a response to my letter might reach me.