Diffusion models and fashion : a reassessment / Diana Crane -- Diffusion and syncretism : the modern jazz tradition / Paul Lopes -- The social capital of opinion leaders / Ronald S. Burt -- Accelerating the diffusion of innovations using opinion leaders / Thomas W. Valente and Rebecca L. Davis -- Diffusion of tobacco control in North America / Donley T. Studlar -- Morality policy reinvention : state death penalties / Christopher Z. Mooney and Mei-Hsien Lee -- Human rights media coverage in Chinese East Asia / David P. Fan and Jennifer Ostini -- Diffusion of pollution prevention policy / Mary Durfee -- The diffusion of an unsuccessful innovation / Sarah A. Soule -- From the streets to the Internet : the cyber-diffusion of contention / Jeffrey M. Ayres -- Theorizing diffusion : Tarde and Sorokin revisited / Elihu Katz.