Kings were the original Magistrates of Rome: Lucius Brutus founded Liberty and the Consulship: Dictators were chosen occasionally, and used only in pressing exigencies. Little more than two years prevailed the supreme power of the Decemvirate, and the consular jurisdiction of the military Tribunes not very many. The domination of Cinna was but short, that of Sylla not long. The authority of Pompey...