Introduction -- Part I. Political psychology. Understanding beliefs -- The drunkard's search -- Part II. Heuristics and biases. Representativeness, foreign policy judgments, and theory-driven perceptions -- Prospect theory : the political implications of loss aversion -- Part III. Political psychology and international relations theory. Signaling and perception : projecting images and drawing inferences -- Political psychology research and theory : bridges and barriers -- Why intelligence and policymakers clash -- Identity and the Cold War -- Part IV. Psychology and national security. Deterrence and perception -- Psychology and crisis stability -- Domino beliefs -- Perception, misperception, and the end of the Cold War.