Between 300 and 600, Christianity experienced a momentous change from persecuted cult to state religion. One of the consequences of this shift was the evolution of the role of the bishop--as the highest Church official in his city--from model Christian to model citizen. Claudia Rapp's exceptionally learned, innovative, and groundbreaking work traces this transition with a twofold aim: to deemphasize the reign of the emperor Constantine, which has...