Solidarity in Poland, anti-apartheid in South Africa, Operation Rescue in the United States--each of these movements is driven by the energy and sustained by the commitment of many individuals and organizations whose ideologies are shaped and powered by religious faith. In many cases, religious resources and motives serve as crucial variables explaining the emergence of entire social movements. Christian Smith, Aldon Morris, M.M. Salehi, Maryjane Osa, June Nash, Sharon Erickson Nepstad, Tristan Anne Borer, David Sikkink, Mark Regnerus, Rhys H. Williams, Jeffrey Blackburn, James Aho and Ron