Ruler of Florence for seven bloody years, 1531 to 1537, Alessandro de' Medici was arguably the first person of color to serve as a head of state in the Western world. Born out of wedlock to a dark-skinned maid and Lorenzo de' Medici, he was the last legitimate heir to the line of Lorenzo the Magnificent. When Alessandro's noble father died of syphilis, the family looked to him. Groomed for power, he carved a path through the backstabbing world of...