What does censorship do to a culture? How do censors justify their work? What are the mechanisms by which censorship-and self-censorship-alter people's sense of time and memory, truth and reality? Thomas Bass faced these questions when The Spy Who Loved Us, his account of the famous Time magazine journalist and double agent Pham Xuan An, was published in a Vietnamese edition. When the book finally appeared in 2014, after five years of...