Mikhail Gorbachev was general secretary of the Communist Party of the Soviet Union, 1985-1991, and president of the Soviet Union, 1988-1991. He founded and directed the Gorbachev Foundation in Moscow. He is also the author of Perestroika and Soviet-American Relations, The Search for a New Beginning: Developing a New Civilization, and The August Coup: The Truth and the Lessons. George Shriver has translated and edited many books, including Nikolai Bukharin's How It All Began: The Prison Novel and Roy Medvedev's On Soviet Dissent, The October Revolution, Let History Judge, and Post-Soviet Russia (all published by Columbia). William Taubman is the Bertrand Snell Professor of Political Science Emeritus at Amherst College. He is the author of Khrushchev: The Man and His Era (2003), winner of the Pulitzer Prize and the National Book Critics Circle Award for biography, and Gorbachev: His Life and Times (2017).