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If she were a man, it wouldn't have happened because that's too "gay." The only "acceptable" physical contact between two men is a handshake (or an ass grab in a sports context, which for some reason isn't "gay").
The point that "no would would be upset if she was a man" is patently false. Bush's behavior suggests dominance and humiliation. If he were so rude as to do that to another man (especially a world leader) people (especially the touchee and his subjects) would go apeshit. The real truth inherent in this episide is that for most people "she's a woman, so it doesn't matter."
Finally, thank you Salon for making sure that comment posters have to watch an ad before posting, and for not warning us that anything we type prior to watching said ad is automatically and irretrievably erased. Good show.