The JonBenét Ramsey Case; Nick Cassavetes; Michael Palin

Ann Louise Bardach of Vanity Fair and Gregg McCrary, retired special agent of the FBI, discuss the JonBenét ransom note and the implications to the guilt of John and Patsy Ramsey. Nick Cassavetes reflects on his second film, "She's So Lovely," written by his father John, and starring Sean Penn, Robin Wright Penn, and John Travolta. Michael Palin presents his new adventure series for PBS, "Full Circle," in which he journeys around the Pacific Rim to 89 cities in 18 countries in less than a year.