Discussion at the Moving Naturalism Forward workshop, October 2012. Participants include Sean Carroll, Jerry Coyne, Richard Dawkins, Terrence Deacon, Simon DeDeo, Daniel Dennett, Owen Flangan, Rebecca Goldstein, Janna Levin, Massimo Pigliucci, David Poeppel, Nicholas Pritzker, Alex Rosenberg, Don Ross, and Steven Weinberg. http://preposterousuniverse.com/naturalism2012/ This is the 9th of 10 sessions, discussing the relationship of science and philosophy, led off by Massimo Pigliucci. See the website for more information and links to the other videos.