True, doc, and unfortunately as smart as Newt actually is, he believes himself to be smarter yet, and is constantly getting his tit caught in the wringer for that recurring error in judgment.
As far as Cain and the abortion kerfuffle goes, Romney's his major threat, and it isn't tough to make the call between the two of them on either that (Which is not my paramount issue) or RKBA (Which is).