Paul's the anti-intervention one. I saw him in the GOP debate back in September talking quite candidly about why he thinks Iraq was one of the worst mistakes in the history of Republican Presidencies, and how the people behind 9/11 were mainly Saudi's but the U.S Govt hasn't got the cojones to go up against the U.A.E
For a Republican, I thought that was novel.
He advocates overturning Roe v Wade to allow a State by State legislation on it. He's a real constitutionalist - apparently doesn't vote on issues, or votes against them unless they're sanctioned by it