A potential for savagery lurks in a creature capable of eating anything. If nature won’t draw a line around human appetite, then human culture must step in, as indeed it has done, bringing the omnivore’s eating habits under the government of all the various taboos (foremost the one against cannibalism), customs, rituals, table manners, and culinary conventions found in every culture. There is a short and direct path from the omnivore’s dilemma to the astounding number of ethical rules with which people have sought to regulate eating for as long as they have been living in groups.