Stories like the one that Rudy Giuliani’s daughter Caroline supports Obama on her MySpace page aren’t really why I wanted to go into journalism — if Mitt Romney doesn’t have to spell out if or where he disagrees with Mormon theology, I don’t think Rudy has to give us a blow-by-blow on any disagreements he has with his daughter, political or otherwise. But I’m told that the former mayor will be addressing that story at an upcoming press availability…