We begin with an appreciation of the late Johnny Carson with Tom Shales of The Washington Post and Carson's friend Doc Severinsen, The Tonight Show bandleader for 30 years. We'll also look back as David Letterman, Conan O'Brien, Bette Midler, and Calvin Trillin remembered Mr. Carson over the years. We end with UCLA professor Jared Diamond. He won the Pulitzer Prize for his book Guns, Germs, and Steel. His new book is Collapse: How Societies Choose to Fail or Succeed.This product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply.