<p>Bill Kristol, the influential Weekly Standard editor, is a famously opportunistic pundit. So it's very bad news for Sarah Palin that even Kristol appears to have given up on a Palin presidential campaign this year.</p>
<p>Kristol went out of his way on MSNBC this morning to express disappointment with Palin, a striking shift for a man who has been Palin's most prominent champion in the press since he met her on a cruise in Alaska in 2007.</p>