In 1992, Vasili Mitrokhin, a former KGB archivist, snuck out of Russia carrying with him a vast cache of transcriptions of top-secret KGB intelligence files. The FBI later described his trove of documents as "the most complete and extensive intelligence ever achieved from any source." Renowned historian Christopher Andrew had exclusive access to both Mitrokhin and his archive. In 1999, they published the explosive bestseller The Sword and the Shield, which provided a complete account of KGB operations in Europe and America. In The World Was Going Our Way, Andrew now chronicles...