In 1974, William Randolph Hearst’s granddaughter Patty was abducted from her California home by members of the radical Symbionese Liberation Army. After subsequent events suggested the teenager had joined the group, she was captured and sentenced -- but later pardoned. Jeffrey Toobin tells the story anew in “American Heiress: The Wild Saga of the Kidnapping, Crimes and Trial of Patty Hearst.”