1 rich Libsyn https://www.libsyn.com 90 600 Featured book: The Goodness Paradox, by Richard Wrangham.&amp;nbsp; Our species, Homo sapiens, is less violent than any of our primate cousins -- but how did we get that way? A Harvard anthropologist suggests an answer. And on the nightstand: The Overstory, by Richard Powers; and The Trouble with Gravity, by Richard Panek. BookLab http://booklab.libsyn.com/webpage <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/11913578/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/56732381