Dubya's only political experience before being selected was as governor of Texas, which has what is called a "weak governer" system.

And like everything else he ever got, he got it on the basis of his family name, not experience, or talent, or intelligence, or character, or public service, or any damn thing.

Yeah, Obama's young, so he's got a short resume. But his brains, education, and judgement more than compensate.