Mahmood Mamdani is professor and director of Makerere Institute of Social Research at Makerere University, Kampala, Uganda and Herbert Lehman Professor of Government at Columbia University, New York. He is the author, most recently of Good Muslim, Bad Muslim: America, The Cold War and the Roots of Terror (2009) and Saviors and Survivors: Darfur, Politics and the War on Terror (2009).