Christopher Coker is a professor of International Relations and head of the International Relations Department at the London School of Economics. His areas of expertise include British defense policy, British foreign policy, US foreign policy and the Atlantic Alliance, war and civil conflict. His many books include War and the Twentieth Century (Brassey's, 1994), War and the Illiberal Conscience (Westview Press, 1998), Humane Warfare (Routledge, 2001), Waging War without Warriors? The Changing Culture of Military Conflict (Lynne Rienner Publ., 2002), The Future of War: The Re-Enchantment of War in the Twenty-First Century (Blackwell, 2004), and most recently The Warrior Ethos: Military Culture and the War on Terror (Routledge, 2007).