New Jersey in the 1980s had everything Jancee Dunn wanted: trips to the shore, an array of malls, and especially, her family. But one night she met a girl who worked at Rolling Stone magazine. Jancee loved music, so she passed along her résumé. Soon she found herself backstage, interviewing a nerve-wracking parade of the famous--she trekked to the Canadian Rockies with Brad Pitt, was chased by paparazzi who mistook her for Ben Affleck's new girlfriend,...