Christian Dispensationalism, the Taiping Revolution, cargo cults in Oceania, the Baha'i Faith, and the Raelian Movement would seem to have little in common. What they share, however, is a millennial orientation--the audacious human hope for a collective salvation, which may be heavenly or earthly or both. Although many religions feature a belief in personal salvation, millennial faiths are characterized by the expectation that salvation will be accomplished...