Billy Bob Thornton says his 'Fargo' character is 'like an alligator'

Billy Bob Thornton discusses cold-weather-fueled acting in FX's 'Fargo' — and his pain over 'Jayne Mansfield's Car.'Since his star-making turn nearly two decades ago as the mentally challenged Karl Childers in "Sling Blade," Billy Bob Thornton has been known for what may best be described as playing expressive eccentrics. There was a bad Santa, an astronaut farmer and a taciturn barber so lacking in human connection that the movie about him was titled "The Man Who Wasn't There."