It would have been easy enough, and satisfying in a certain way, to make the comparison between what Rufus was trying to do to the pigs now and what the Comanches had tried to do to white people two hundred years ago. But you had to be careful. The Comanches themselves were invaders from the north who had "displaced"—a euphemism if ever there was one—the Indians who had been in Texas before them. And they’d been able to do it because they were early and enthusiastic adopters of the invasive species known as the horse.