The problem with John McCain's selection of Sarah Palin as his running mate is not -- or not mainly -- about her qualities, or even her qualifications; the problem is what it reveals about McCain himself: that he and his advisorsare not bothered by self-contradiction, that the only logic that governs his campaign rhetoric is the logic of political advantage. Experience is all-important, except when it isn't. Identity politics is bad, unless it's good. Country first, oncehe's elected.For the first and last word on this subject, see Michael Kinsley's Slate column here.