This innovative study examines patterns of change in Shi'i symbols and rituals over the past two centuries to reveal how modernization has influenced the societal, political, and religious culture of Iran. Shi'is, who support the Prophet Mohammad's progeny as his successors in opposition to the Sunni caliphate tradition, make up 10 to 15 percent of the world's Muslim population, roughly half of whom live in Iran. Throughout the early history of the Islamic Middle East, the Sunnis have been associated with the state and the ruling elite, while Shi'is have most often represented the...