She stood him up once. This was before everyone had cell phones, no way for her to reach John F. Kennedy Jr. as he sat in a darkening Broadway theater, all eyes on him and the empty seat next to him, to say she had to work late. Carolyn expected John to be furious with her, but it only made him want her more. And Carolyn realized her superpower. She became the only woman in the world to tell JFK Jr.: No, not okay, don’t behave like that, I won’t put up with it, say you’re sorry, do better.

