Environmentalists target soft toilet paper, Kang Lee exposes the lies parents tell kids, and mountain pine beetles prevent us from shooting bears. (07:14)
With scientists trying to prove that morality has a biological basis, Stephen thinks it's about time for religion to take things away from science. (3:48)
Tonight, Stephen celebrates The Colbert Report's first birthday, encourages more U.S. households to marry and interviews biologist Richard Dawkins. (0:31)