So is the old John McCain back? Are we seeing the re-emergence of the straight-talking Arizona maverick who delights liberals and vexes conservatives--especially George W. Bush--with his ideo-heterodoxy? At the climax of his political career, with the White House beckoning to him, McCain may have discovered that rare thing in politics: He might have discovered a principle that's more important to him than the presidency.
Never in his career, of course, has McCain been a true liberal. He's always been...
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