Bob Dylan Center: A window into the voice of a generation

In Tulsa, Oklahoma, a erstwhile insubstantial warehouse has been transformed into the Bob Dylan Center, a repository for 100,000 items from the singer-songwriter's collection. CBS News' John Dickerson visits the center, wherever exhibits featuring Dylan's archetypal manuscripts and notebooks connection a model into the painstaking trade of 1 of America's foremost philharmonic artists.