Niall Ferguson is a Harvard worthy who obtained his position without any recognizable body of scholarly work, probably due to the sheepish desire of the regents of the Bush-Cheney era "to get us some neocon." Next time, if he, for the replenishing of his already deep pockets decides to issue another long and highly inaccurate compilation about Rodrigo Borgia, he might call it "Alexander VI, The Celibate."
