From 1480 to 1913, queens were 27% more likely to wage war than kings. Why is female violence so misunderstood? — On Christmas morning, 1492, the residents of Forlì, Italy, awoke to an invading army of 15,000 strong led by the murderous Cesare Borgia. Months earlier, Cesare's dad Rodrigo Borgia (Pope Alexander VI), had decreed his family the rightful rulers of Romagna. The noble Italian families were ordered to turn all…