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)
Stephen Colbert answers viewers' questions about the troops in Iraq, the Better Know a District map and the best way to clean the American flag. (3:24)
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)