Exceptionalist ideas have long influenced British foreign policy. As Britain begins to confront the challenges of a post-Brexit era in an increasingly unstable world, a re-examination of the nature and causes of this exceptionalist bent is in order.Arguing that Britain's search for greatness in world affairs was, and still is, a matter of habit, Srdjan Vucetic takes a closer look at the period between Clement Attlee's "New Jerusalem" and Tony Blair's...