Thomas D. Hall is the Edward Myers Dolan Professor of Anthropology at DePauw University and coauthor, with Christopher Chase-Dunn, of Rise and Demise: Comparing World Systems (Westview 1997).James V. Fenelon is Professor of Sociology at California State University–San Bernardino and author of Culturicide, Resistance, and Survival of the Lakota (Sioux) (Routledge 1998).