Never afraid to bamboozle the public with obscure classics references, London mayor Boris Johnson has described an EU limit on bankers' bonuses as “possibly the most deluded measure to come from Europe since Diocletian tried to fix the price of groceries across the Roman Empire".
Boris's enmity for interventionist policy clearly spans the centuries, but who was Diocletian, and how much did he really have in common with today's Eurocrats?
