Spy Vs. Spy

THE EXCHANGE SPOOKED CIA OFFICIALS WHO HAVE LONG SUSpected that the Soviet Union had a spy in the agency during the cold war. Speaking to an American delegation in Moscow recently, a Russian intelligence officer revealed intimate knowledge of a 1974 mission in which the U.S. salvage ship GLOMAR EXPLORER raised a sunken Soviet nuclear submarine in the central Pacific. American experts said such knowledge could only have come from a classified film of the supersecret operation. The still unanswered question: How did Moscow get the film?