The sixth installment in Robert Fabbri's epic Vespasian series Rome, AD 51: Vespasian brings Rome's greatest enemy before the Emperor. After eight years of resistance, the British warrior Caratacus has been caught. But even Vespasian's victory cannot remove the newly-made consul from Roman politics: Agrippina, Emperor Claudius's wife, pardons Caratacus. Claudius is a drunken fool and Narciss…