For me, a former McCain fan and admirer, someone who has written many columns praising him, someone I endorsed as a close-second to Ron Paul, this campaign has shredded whatever respect I once had for him. My bad, I guess, for not seeing before his narcissism, recklessness, cynicism, rank opportunism and pure mendacity. I second Josh Marshall:

McCain has revealed himself as a liar well outside the permissive standards applied to politicians. He's shown himself to be reckless to the point of instability, repeatedly putting the country at risk (exploiting the Georgia crisis, picking Palin, storming the bailout negotiations) for transparently self-serving reasons. And in too many ways to count, he's conducted his campaign in disgraceful and dishonorable ways.

He's a disgusting public figure in so many ways.

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