Lack of Consent
To this point, we (and the media) have been focusing solely on the implications of the presidential election on the nomination of any future Supreme Court justices (or other federal judges). You know, of course, that a justice doesn't reach the high-back leather chairs of power without getting through the Senate first.
Chris at the blog The Smoke Filled Room has a post explaining what he believes to be the Republicans' best case scenario in the Senate elections this November, and how it may affect judicial confirmations. While I don't necessarily agree with some of his predictions, it's worth checking out.