WILDERNESS OF MIRRORS by David C. Martin Harper & Row; 236 pages; $12.50
If, in the biblical sense, the truth shall make you free, then members of counterintelligence are serving life sentences. As the CIA's longtime chief of counterintelligence, James Angleton, sees it, agents wander through a "wilderness of mirrors," in which no revelation can be entirely trusted. Many have tried to chart that wilderness, and inevitably much of the landscape and many of the personalities are thoroughly familiar. But David C. Martin, a Washington reporter for Newsweek, has some fresh perspectives: he delves...