Dr. Ian Lustick holds the Bess W. Heyman Chair in the Political Science Department of the University of Pennsylvania. He teaches Middle Eastern politics, comparative politics and computer modeling. He is a recipient of awards from the Carnegie Corporation, the National Science Foundation, the National Endowment for the Humanities and the Social Sciences Research Council. Before joining Penn, he taught for fifteen years at Dartmouth College and worked for one year in the Department of State. His present research focuses on the implications of the disappearance of the option of a negotiated “two-state solution” to the Israeli-Palestinian conflict and techniques of counterfactual forecasting.