Pamela Donnelly was a glamorous T.V. soap star who was married to a famous rock-star; money poured in.  Then she gave it all up to go back to school to help kids master college admissions. Today she’s democratizing high-end SAT and ACT tutoring (with the GATE system) that will reach every kid who needs help—especially the underprivileged. Lesley Jane Seymour speaks with this serial reinventor, about how to find meaning in your life—and her tips for getting there.