Books: Exercise of Power

TO WHAT END by Ward S. Just. 209 pages. Houghton Mifflin. $4.95.

Most of the books fathered by the Viet Nam war and mothered by anxious publishers have been either captious collections of preconceptions or argumentative exercises in polemics. In Viet Nam, says Washington Post Reporter Ward Just, who covered the war there for 18 months, "it was no trick to find the facts to back up the impressions, or the preconceptions: facts were everywhere, and with suitable discrimination could be used to support almost any argument." To his credit, Just does not argue. To What End is an almost apolitical and...