Scotland’s Susan Boyle gives new meaning to the term "overnight sensation." The "Britain’s Got Talent" contestant was expected to be something of a joke when she first sauntered on stage, but she absolutely wowed the audience, the judges — and then the world via the Internet — with her stunning rendition of "I Dreamed a Dream." But like others who stumble upon sudden fame, she found the pressure and scrutiny to be overwhelming. “Talent” judge Amanda Holden and Dr.