Filmmaker Darren Doane, joins Gary to talk about his work with the Zac Brown Band, as well as the recently published study guide to his documentary, “Collision.” The documentary follows, atheist, Christopher Hitchens, and Christian apologist, Douglas Wilson on their four day debate over the question - is Christianity good for the world? “Collision: The Study Guide” is designed to help you get the most out of the documentary enabling you to defend and share your faith.