adept at playing all these roles, and more. As a result, Persia had largely avoided the tensions that afflicted Media: between a king impatient with the traditional tribal structures of his people and a nobility still defined by them. The Median clan chiefs, suffering from the authoritarian ambitions of Astyages, had taken note. Over time, the contrast between their own king and Cyrus must have struck them as ever more pronounced. It was almost certainly this which had persuaded Harpagus to take his fateful step.