Hans Morgenthau, Realism, and the Scientific Study of International Politics

X OLiTiCAL science is a very trendy discipline. Few books or articles are cited a decade, let alone a generation, after they are written. When scholars die, their ideas often die with them, although they may be reinvented later and trumpeted as new. Hans Morgenthau is a rare, if partial, exception to this generalization. Students still read his work, especially but not exclusively Politics Among Nations which to a large degree made the field; scholars still cite his work, even if they have not read it recently or carefully and even if their main objective is to attack it; and, perhaps more importantly, there is much to be gained by re-reading his books and thinking about what he has to say. Morgenthau wrote too much for me to even attempt a summary, and, like any subtle and supple thinker, he voiced too many contradictions to permit ready distillations. As both a detached scholar and a passionate observer of world politics, Morgenthau sought to have his general philosophy guide his views on specific issues and yet to remain open enough to allow his observations of the wisdom and folly- usually the latter- around him alter some of his most deeply-held beliefs. In a world in which scholarship and public policy are increasingly separate, in which highest academic prestige goes to those who construct the most abstract and apparently