Letterman, CBS Honor NBC's Johnny Carson In Docu-Flick

Johnny Carson was considered the king of late night TV, but he was also a very guarded, private man. Now, 20 years after his show went off the air, a PBS documentary chronicles his life. Rebecca Jarvis and Jeff Glor spoke with the documentary’s writer, producer and editor, Peter Jones. This video contains clips from the show courtesy of Johnny Carson Productions.