John M. Owen IV . The Clash of Ideas in World Politics: Transnational Networks, States, and Regime Change, 1510–2010 . (Princeton Studies in International History and Politics.) Princeton: Princeton University Press. 2010. Pp. xii, 332. Cloth $75.00, paper $29.95. Richard Ned Lebow . Why Nations Fight: Past and Future Motives for War . New York: Cambridge University Press. 2010. Pp. xii, 295. Cloth $99.00, paper $29.99.
