Jennifer Hudson had just put an Oscar on her mantle when the opportunity for more gold came knocking. Unfortunately, its companion, massive weight gain, made sure the chance didn't get in the door. Following her win for Best Supporting Actress for the 2006 film "Dreamgirls," the American Idol winner says that she asked by director Lee Daniels to read for the title part in the film "Precious." The role, an abused and overweight daughter, was appealing, but the physical strain it present was not. "I...