‘Path is the key:’The Doors’ drummer on what lights his fire

50 years ago this month, The Doors played its final show in New Orleans. For the band's drummer, John Densmore, the ensuing years have been a continued artistic exploration - one that has included music, but also an examination into the meaning of creative fulfillment. He spoke with NewsHour Weekend’s Christopher Booker about his new book, “The Seekers.”