Robert Kagan is a senior associate at the Carnegie Endowment for International Peace and a transatlantic fellow at the German Marshall Fund. He writes a monthly column on world affairs for the Washington Post, and is a contributing editor at both the Weekly Standard and the New Republic. He served in the State Department from 1984 to 1988 as a member of the Policy Planning Staff, as principal speechwriter for Secretary of State George P. Shultz, and as deputy for policy in the Bureau of Inter-American Affairs.He recently published ?Dangerous Nation: America in the World, 1607-1898.? Kagan has also written, ?Of Paradise and Power,? ?A Twilight Struggle: American Power and Nicaragua, 1977-1990? and is co-editor with William Kristol of ?Present Dangers: Crisis and Opportunity in American Foreign Policy.? Kagan is a member of the Council on Foreign Relations. He is a graduate of Yale University and Harvard University?s Kennedy School of Government and holds a PhD in American History from American University.