As she announced she was going to sing I Dreamed a Dream, the judges Simon Cowell, Amanda Holden and Piers Morgan didn't bother to hide their amusement. One minute later they, and very soon the world, were giving Susan Boyle a standing ovation. She had the voice of an angel and her story was to become a modern day fairytale, a dream come true. In hours the news of Susan's extraordinary, heartbreaking performance had spread around the globe. She was...