The man simply drips with condescension toward those with whom he disagrees, and he has no core values. Indeed, when he says early on in a new Vanity Fair profile that "I'm willing to negotiate anything," it's unclear in context if he means with regard to illegal immigration specifically or is speaking in more general terms.
Either way, that position -- which is no position -- doesn't work for me.
Hugh Hewitt has analysis.
Update: Power Line points the way to a transcript of a conversation Hugh Hewitt had with Mark Steyn today regarding the McCain article.
Steyn on McCain: "Here is a guy who was in many ways a conventional, mainstream Republican conservative when he started out. Now, his only political bedrock belief seems to be in his own indispensibility. Everything other than that is negotiable."