Biology For Liberals: Human Reciprocity and Its Evolution 0 researchok Books7/10/12 12:54:48 amTuesday, July 10, 2012 at 12:54 am PDT • Views: 497 tnr.com More Evolutionary Biology Human Behavior Human Nature Human Reciprocity Liberals Natural Selection Richard Dawkins Self-Interested Individuals Selfish Gene-Based Explanations Unregulated Decisions