Check the list, what do you think about that?
The difference is that Ron Paul doesn't vote this way to be temporarily popular with swing voters - he does it out of a deeply held conviction that fixing the world's problems is none of our business. One can disagree with his principles, but unlike the rest of the list, at least he has some.
He won't get a free pass no matter how you sugar coat it.
Battling terrorists over there instead of here is none of our business?