Because she’s an author and she’s raised money for education and, well, she’s just swell. And check out that clip of JFK at 4:20 declaring from the grave that he wishes his daughter could go into politics. You don’t want to kill the dream, do you? He’s a martyred president, for god’s sake! The least you could do is make his little girl a Senator.
Unless I missed something, there’s not a single mention here of the fact that Kerry’s ex-husband just happens to be Caroline’s chief rival for the seat.