What he (Bush) needs right now is a lawyer he trusts in a high place, so of course he's going to appoint his own personal lawyer to the Supreme Court. Whether she's a bona fide conservative or not doesn't mean jack to him. Bona fide conservatism doesn't mean jack to him either; neither does spreading freedom around the world; neither, even, does "protecting the homeland" or running the economy or anything else that he ran for office on.
What he cares about is maintaining his power, keeping his money, and staying out of trouble with the law. That's it.
And as the kids also say, go read the whole thing.