Sylvia Kristel, arguably the world's first true porn star, whose starring role in the 1974 erotic French film Emmanuelle changed the face of adult cinema, has died of cancer. She was 60. "She died during the night during her sleep," her agent told the Afp news agency on Thursday. The Dutch actress, a longtime smoker, had suffered a stroke in July. Emmanuelle, which told the story of a wayward wife of a French diplomat abroad, was one of the first erotic films to be shown in mainstream theaters, and was one of the biggest French box-office hits ever. Kristel herself said it...