This episode follows up on the previous episode of Opinion Science about IBM's Project Debater. If you haven't already, be sure to check out that episode.But this week we hear more from Harish Natarajan, Dan Zafrir, and Noa Ovadia--three accomplished debaters. They'll share how they got into debate, what debate means to them, and why the exercise of debate is so important.In the opening section of the episode, we hear a quick clip from social psychologist Richard Petty. And the study I summarize is from a working paper by Peter Schwardmann, Egon Tripodi, and Joël J. van der Weele.Music in this episode by Blue Dot Sessions (www.sessions.blue).For a transcript of this episode, visit: http://opinionsciencepodcast.com/episode/debate-with-harish-natarajan-dan-zafrir-noa-ovadia/Check out my new audio course on Knowable: "The Science of Persuasion."Learn more about Opinion Science at http://opinionsciencepodcast.com/ and follow @OpinionSciPod on Twitter.