A couple of years ago Britney Spears and her entourage swept through my boss’s office. As she sashayed past, I blushed and stammered and leaned over my desk to shake her hand. She looked right into my eyes and smiled her pageant smile, and I confess, I felt dizzy. Celebrities are fascinating because they live in a parallel universe — one that looks and feels just like ours yet is light years beyond our reach.