nuclear annihilation." But, he warns, President Bush is not only letting this opportunity slip away, he is, in some respects, moving in the wrong direction.Bush's abrogation of the 1972 treaty limiting anti-ballistic missile systems is one example. Another, equally worrying, is the "revival of the idea of developing nuclear weapons for use, rather than solely for deterrence." The development of low-yield, earth-penetrating nuclear weapons for use in attacking underground bunkers "would be foolishness on a scale that even medieval knights might find implausible," Weinberg argues.Such weapons would be "one sort of folly to which war is especially well suited: the lust for glory." The temptation to prize military glamour over sensible strategy has always been with us, as Weinberg shows in examples from the Middle Ages onward, but may have a particularly dangerous effect on defense policies in our age of high-tech armaments.Anthony Lewis writes in his preface concerning these proposed weapons: "In the face of official folly so great, most of us tend to turn off. The subject is too difficult, and too frightening. But Steven Weinberg does not turn off. He grapples with the danger and the folly in understandable and elegant prose."

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