From "Harvey" to "Being There" to "Forrest Gump," one of Hollywood's favorite stock characters is "the wise fool" — the genial dunce who bequeaths life lessons to those characters who have forgotten the simple pleasure of existence. One of this weekend's new releases, "Our Idiot Brother" continues this tradition with star Paul Rudd as an affable stoner who upends his type-A sisters' lives after being arrested for selling marijuana. Rafer and Kristen look back at the history of "the wise fool" in Hollywood movies, and discuss whether "Our Idiot Brother" lives up to its forebearers.
