PositiveSalonExpert at spinning historical science yarns, Kean presents a scientific rogues\' gallery that\'s both entertaining and chilling ... In a way, though, the gruesome endpoints Kean describes are the least interesting part of his story ... What\'s more compelling is Kean\'s take on how the scientists justified their actions ... Kean\'s catalogue of scientific ne\'er-do-wells does have some notable gaps ... Yet Kean makes up for his omissions, at least in part, with the complexity of the portraits he does include ... The book stops short of specific policy implications on this score; there\'s no analysis of how well scientific premortems might work to forestall future dastardly deeds.