The United States of America is the most powerful nation on earth. It is arguably the most powerful nation in history. So, to what purposes should that power be put? What is and should be the right and best role for this country in world affairs? Guests: William Kristol, Director, Defending Democracy Together; editor-at-large, The Bulwark; Dr. Barry Posen, Ford International Professor of Political Science at MIT; Michele Flournoy, Co-Founder and Managing Partner, WestExec Advisors; Former Under Secretary of Defense for Policy.