When Victims Become Killers: Colonialism, Nativism, and the Genocide in Rwanda. By Mahmood Mamdani. Princeton University Press, 380 pp., $29.95.
I VIVIDLY REMEMBER riding in a car during the summer of 1994 and listening with rapt attention to an account of the tragedy in Rwanda. In just 100 days, following a government coup in early April, some 800,000 Rwandans were ruthlessly murdered by their countrymen. When I arrived home, I located Rwanda on a map. For several weeks I paid ...