For most of human history, equality was the norm. What happened?
Kim Sterelny writes: Most of us live in social worlds that are profoundly unequal, where small elites have vastly more power and wealth than everyone else. Very few of the have-nots find this congenial. As experimental economists have shown, we tend to enter social situations prepared to take a chance and cooperate in collective activities. But if others take more than their share, we resent being played for a sucker. We live in unequal worlds, and few of us are…