While “excommunication” might feel like a relic of the Catholic Inquisition, in actuality, most major religious traditions have always had some means of removing the heretical or extremely unrighteous from full-fellowship, whether that process was called “excommunication,” “disfellowshipping,” “membership withdrawal,” or something else. Listen to this short episode to learn a bit about which traditions excommunicate, why they do so, and how common the practice is today.