BETWEEN TWO AGES by Zbigniew Brzezinski. 334 pages. Viking. $7.95.
Contemporary America is often describedespecially by the youngas a reactionary country. But in the opinion of Zbigniew Brzezinski, professor of government at Columbia University, the only revolution worth talking about these days is an American oneand it has not been run by the New Left. Brzezinski calls it the technetronic revolution. In Between Two Ages he discusses the repercussions of rapid change from an industrial erawith its emphasis on sheer productivityto a period that stresses services, automation and cybernetics. Being that rarity...