Inhalt: On the day Pedro Sanjuan moved into his new office at the UN Secretariat in 1984, he had the foresight to unscrew his telephone receiver. Out fell a little packet of high-grade cocaine. When he confronted the undersecretary to the chief Soviet diplomat--really a KGB colonel and the top Russian spy--the agent laughed good-naturedly and congratulated him on passing the test.That was the beginning of Sanjuan's long, peculiar odyssey into the looking-glass world of the United Nations Secretariat.Pedro Sanjuan had been appointed by then--Vice President George H. W. Bush to a high-ranking UN post. His real mission: to keep an eye on Soviet espionage activities. Over the years, the Russians had managed to install nearly four hundred KGB and GRU agents in strategic positions throughout the Secretariat, and had turned it into a massive spy facility, operating openly and with absolute impunity on American soil.But this, it turned out, was the least of the problem. Sanjuan...