Governor Christine Todd Whitman; Stanley Coren; Alec Wilkinson

New Jersey Governor Christine Todd Whitman discusses her policy on lowering personal income taxes and explains why she got into politics. Psychologist Stanley Coren explains why there is an I.Q. difference between dog breeds in "The Intelligence of Dogs: Canine Consciousness and Capabilities." Alec Wilkinson, acclaimed author of "A Violent Act," recounts a series of conversations he had with "The Killer Clown," serial killer John Wayne Gacy, Jr.