Matthew Yglesias calls our attention to Todd Gitlin's quick summary of Robert Kagan's book excerpt in The New Republic. Kagan's book is prefigured in his same-titled Policy Review essay, "End of Dreams, Return of History," which I blogged about some time ago.Matt points out the most important point: if we treat what might be called "the great game, but now with new globalization sauce" as a titanic struggle between liberal democracy and "new...