Robert Kagan is a senior fellow of foreign policy at the Brooking Institution’s Center on the United States and Europe and transatlantic fellow at the German Marshall Fund. Foreign Policy and Prospect listed him as one of the world’s “Top 100 Intellectuals.” Kagan served in the U.S State Department as a deputy for policy in the Bureau of Inter-American Affairs, and was a principal speechwriter to the U.S. secretary of state. He is also the author of several bestselling books on foreign policy, including Dangerous Nation, which won the Lepgold Book Prize and was a finalist for the Lionel Gelber Prize.