Using the DaColbert Code, Stephen discovers who killed John F. Kennedy, who's to blame for the slow response to Hurricane Katrina and who will win this year's Academy Awards. (4:14)
John Kao says countries like Finland are starting to innovate better than the United States. Stephen wants to know if it's time to invade Finland. (5:00)
Dr. Jerome Groopman discusses "How Doctors Think" and explains that Dr. Gregory House is based on Sherlock Holmes, who was addicted to cocaine, not heroine. (6:07)