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...But I think it's partially because we know how much BS there is in all politicians. If Cheney says something like that, you know he's actually going to do it. Obama says it, and I feel more like he'll push in that direction but not to the point that he'll totally destabilize the situation in Pakistan. You could argue that's a little naive, though I might say that expecting him to actually barge in their and create those kinds of problems would be more naive. But I'll grant that Obama has done very little to earn my trust.
I don't think it's quite a double-standard, though, because Cheney et al have certainly done plenty to earn my mistrust. If they start talking about invading anybody new, I'm not at all sure what systems of logic might constrain them.