To summarize what little I learned from all this: A candidate may well change his or her position on, say, universal health care or Bosnia. But he or she cannot change the fact — if it happens to be a fact — that he or she is a pathological liar, or a dimwit, or a proud ignoramus. And even in the short run, this must and will tell.
To hammer home his point, Hitchens compares McCain to Admiral James Stockdale, Ross Perot’s running mate in 1992. Oh yes, he went there.