Stephen Walt

Stephen Martin Walt (born July 2, 1955) is an American professor of international affairs at Harvard University's John F. Kennedy School of Government. He belongs to the realist school of international relations. He made important contributions to the theory of defensive neorealism and has authored the balance of threat theory. Books that he has authored or coauthored include ''Origins of Alliances'', ''Revolution and War'', and ''The Israel Lobby and U.S. Foreign Policy''. Provided by Wikipedia