According to Richard Dawkins in The Selfish Gene, theft is "selfish," while trade is "mutually altruistic." If genes and people are "selfish," as Dawkins believes, why does mutual altruism, which includes all forms of cooperation, ever happen? He replies that it happens because mutual altruism benefits the parties more than "purely selfish" behavior would. This is an astounding acknowledgment. If that's so -- and I believe it is -- why not call cooperation mutual selfishness, mutual self-interest, or something like that? Why introduce the idea of mutual altruism if in fact such actions...