William R. Thompson, Distinguished Professor and Rogers Professor of Political Science Emeritus, Indiana University, is Editor-in-Chief of the Oxford Research Encyclopedia of Politics, a former Editor-in-Chief of International Studies Quarterly, and a former President of the International Studies Association. He recently co-authored Racing to the Top: How Energy Fuels Systemic Leadership in World Politics, edited the Oxford Encyclopedia of Empirical International Relations, and co-edited Shocks and Rivalry in the Middle East and North Africa.