Sam Harris is a neuroscientist and author of the New York Times bestsellers, The End of Faith, Letter to a Christian Nation, and The Moral Landscape. Dan Harris is a correspondent for ABC News, an anchor for Nightline and co-anchor for the weekend edition of Good Morning America.Dan is also the founder, author, and host of the book/app/podcast called "10% Happier" - http://www.10percenthappier.com/