In the early 1500s, Hern n Cort s and his conquistadors defeated the great Aztec Empire, built a new city for colonists from Spain and took control of vast lands stretching from today's southwestern US down through most of Central America. But many people don't know that one of the reasons for the success of this conquest was the invaluable help of a beautiful woman, Princess Malinali, known today as La Malinche. She was a N huatl princess...