"So the season has come for anti-McCain books from detractors. Whether the three under review here have any impact on the election discourse will depend, to some extent, on the course of events and the effectiveness of the Democratic fall campaign. But each of the three—all follow the same basic template of critically reassessing the stages of McCain's career—makes persuasive arguments that while there has been much to respect in McCain in the past, there remain today only shards and vestiges of that man; that in doing what he had to do to become the nominee of a party of orthodox conservatism, he has so sublimated his honorable instincts that they have all but atrophied. He's not only adopted domestic policy positions he'd long opposed, he has openly pandered to the conservative Republican base by supporting most of Bush's positions in legislation on the treatment of detainees."
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The second issue is more substantive and deals with McCain's policy record—both his votes as a senator and the positions he's taking as presidential candidate. In many matters, it is far from consistent. Schecter's The Real McCain chronicles, in fine-grain detail, McCain's votes and positions, showing that they often seem to reflect hypocrisy, flip-flopping, and pure expediency, rather than the political courage for which he is famous.
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It's probably unlikely that the larger national press will arrive at this interpretation by November. The image of the straight-talking maverick who bled in a cell while Baby Boomers indulged themselves is just too hard-wired into their systems. In addition, McCain, still adept at the seduction of journalists and the self-deprecating witticism, hides his rank ambition better than, say, Hillary Clinton does.
I have said before on here that being a hero is not enough to be a President. General Wesley Clark made the same point more eloquently here.