Axiomatic and deductive theorizing about international political conflict has precipitated lively debate. Much of the disputation of recent years has derived from an expected utility theory of conflict advocated by Bruce Bueno de Mesquita. In the June 1990 issue of this Review, Roslyn Simowitz and Barry L. Price dissected crucial parts of Bueno de Mesquita's formulation of the theory, arguing that it suffers from errors of logic and clarity. In this controversy, James D. Morrow challenges the claims of Simowitz and Price that the reviewed theory is logically and conceptually flawed. In turn, Price and Simowitz join issue.