Upon discovering that Ben and Jerry's also named an ice cream after Willie Nelson, Stephen launches a campaign to expose Nelson for who he really is. (2:20)
Stephen questions U.S. presence in Iraq, interviews quantum physicist Brian Greene, settles the debate between science and religion and reports on holiday shopping. (0:40)
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)