Those who dwell in the House of Kennedy live public lives. But it's what happens when no one is watching that makes the most astonishing history. The Kennedys have always been a family of charismatic adventurers, raised to take risks, prosper, and excel. For more than a century, the dual family mottos have been reinforced across dinner tables and playing fields alike: "To whom much is given, much is expected" and "Win at all costs." And win they do--but...