A Horse Trainer's Unexpected Friendship With Queen Elizabeth

The documentary "The Cowboy and the Queen" follows Monty Roberts, a California horse trainer whose nonviolent techniques of taming horses piqued the interest of Queen Elizabeth II, a kindred spirit whose endorsement of Monty's process popularized his methods worldwide. Roberts joins to discuss his life story, along with Andrea Nevins, director of the documentary, which is out in theaters starting September 6.