A historic shift has occurred in the organizational structures through which the lower classes in Latin America express voice and find political representation. With the political and economic reforms of the 1980s and 1990s, networks of community-based associations and nongovernmental organizations replaced party-affiliated labor unions as the predominant organizations to which the lower classes turned. This volume examines the new "interest regime" in Argentina, Chile, Peru, and Venezuela through two extensive surveys--one of individuals and one of associations--undertaken in those...