Defenders of the Truth: The Sociobiology Debate by Ullica Segerstr??leOxford: Oxford University Press, 2000. 504 pages.Twenty-five years in the making, Defenders of the Truth offers a lively and comprehensive history-cum-analysis of the debate over sociobiology by a sociologist who followed it closely as it developed, interviewing such luminaries as Stephen Jay Gould, E. O .