After serving an interrogator in the United States Army from 1976-1980, Karl Walling earned his B.A. from St. John’s College in Annapolis, Maryland in 1984, and a joint Ph.D. from the Department of Political Science and the Committee on Social Thought at the University of Chicago in 1992. With an interdisciplinary focus on strategy, politics, history, constitutional law, literature, and philosophy, he has held academic appointments at Michigan State University, the University of Chicago, Carleton College, the United States Air Force Academy, Colorado College, and Ashland University. He was also a program officer at the Liberty Fund, where he published his first book, Republican Empire: Alexander Hamilton on War and Free Government in 2000 and supervised Socratic seminars for university professors, graduate students, and high school teachers in the United States, Europe, Latin America, and Australia. In 1995, he was voted the best professor in the social sciences at the United States Air Force Academy, where he earned several prizes for teaching and scholarship. He has been a fellow in the Program on Constitutional Government at Harvard University (1992) and a John M. Olin Fellow in History and Political Philosophy (1996). His second book, Strategic Logic and Political Rationality, coedited with Brad Lee, was published in 2002. Currently a professor in the Department of Strategy and Policy at the U.S. Naval War College, where he is now writing a book on Strategy and Politics in Thucydides’ Peloponnesian War.