Bush should nominate Ann Coulter. She is constitutional scholar with a J.D. from a respectable law school. That's more than most of our Justices have had, historically.See, I'm not sure that's a good idea. If you look at it rationally, you can immediately see one clear reason why this might backfire: you could end up with Ann Coulter on the Supreme Court.
Either they confirm her, or they raise hell. Assuming they raise hell enough to block the nomination, anyone else Bush puts up as a replacement looks moderate by comparison.
And let's be honest—that's just not a risk we should be willing to take.