Death on Mt. Everest; Bill Cosby; Jane Mendelsohn
David Swanson, Lawrence Huntington, and Joe Blackburn--climbers who attempted and failed to summit Everest--look back on their experiences, and reflect on the tragedy that killed 12 climbers. Bill Cosby tells Charlie about a new show on CBS, his father, and why he makes philanthropic contributions. Jane Mendelsohn shares her new novel that assumes the voice of history's most famous female aviator, "I Was Amelia Earhart."