Michael Sheehan provides a masterly survey of the varied positions that scholars have adopted in interpreting “securityâ€, one of the most contested terms in international relations, and asks whether a synthesis is possible that both widens and deepens our understanding of the concept. Sheehan begins by outlining the classical realist approach of Morgenthau and Carr and the ideas of their neorealist heirs. He then explores how the economic security approach ...