Deterring Rational Fanatics

Cold War-era strategic thinking was driven by the belief that individuals, organizations, and foreign states could be deterred from offensive action by the threat of reprisal. That assurance was shaken with the terrorist attacks of September 11, 2001; suddenly, it seemed that no threat was powerful enough to deter individuals or organizations that valued political objectives over their own lives and the lives of their members. More than a decade later, new research and theory are bringing deterrence back into currency as a viable counterterrorism strategy. Alex S. Wilner updates deterrence…