U.S. and British intelligence officers never really believed the old Cold War was over. Even at the height of the 1990s East-West love-in, when U.S. Presidents George H.W. Bush and Bill Clinton poured money into supporting Boris Yeltsin’s rickety grip on the Kremlin, Russian spies were trying to steal secrets, exert influence, spot potential recruits, and penetrate foreign spy services. Tradecraft, Tactics and Dirty Tricks: Russian Intelligence and Putin’s Secret War, Sean M. Wiswesser, Naval