-Jodie Allen Senior Editor, Pew Research Center and former Managing Editor, U.S. News & World Report Michael Lind Whitehead Senior Fellow James Fallows Chairman, New America Foundation Dimitri Simes President, Nixon Center; and author, "America's Imperial Dilemma," Foreign Affairs James Steinberg Vice President and Director of Foreign Studies, Brookings Institutionand former Deputy National Security Adviser to the President Jessica Tuchman Mathews President, Carnegie Endowment for International Peace