Tonight: Stephen's advice for how Women's History Month could get more notice, sex and profanity on TV, and liberal documentarian Robert Greenwald. (0:32)
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)
Stephen tips his hat to The New York Times after his book hit number one, but wags his finger at neuroscientists at U.C. Berkeley for saying that people need sleep. (3:43)
Dick Cheney gets a blood clot, guest Mark Frauenfelder edits a magazine about homemade technology, and doctors: should they refuse to treat patients for religious reasons? (0:32)
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)