Robert Jervis, “An Interim Assessment of September 11: What Has Changed and What Has Not,” Political Science Quarterly 117, no. 1(2002): 37.

“An Interim Assessment of September 11: What Has Changed and What Has Not.” Political Science Quarterly (Spring 2002). Revised and extended version appears in September 11, Terrorist Attacks, and U.S. Foreign Policy, ed. Demetrious James Caraley (Academy of Political Science, 2002).