"the fact that Bush admitted cocaine use prior to the 2000 election (did anyone have any doubt?) has insulated all candidates from attacks on that quarter."

yes, i can just see how that will be used as a defense.
Republican: using drugs shows poor judgement and indicates that he will be a poor president.
Obama:  Yeah well, Bush took drugs and he got elect....oh, shit, Bush huh, that's my example.
Republican:  Exactly.

Here's what McBama would look like:
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It's got Hilliani too, but that one's a little outdated:)