Are human beings intrinsically good but corruptible by the forces of evil, or the reverse, innately sinful yet redeemable by the forces of good? Are people built to pledge their lives to a group, even to the risk of death, or the opposite, built to place one's self and one's families above all else? Scientific evidence, a good part of it…

Be it metaphysics, theology, or some other unifying framework, humans have long sought to determine "first principles" underlying knowledge. Larry Arnhart continues in this vein, positing a Darwinian web of genetic, cultural, and cognitive evolution to explain our social behavior in terms of human nature as governed by biology. He leaves it to us…