I know that it may be hard to accept that anyone could have less stature than John McCain, but believe it or not Mitt Romney fills the bill.
Romney will NOT match McCain's 2008 South Carolina performance. He'll be hard pressed to match his own 2008 15%.
Boy do I hope you're right. However, reality tells me this: Rasmussen Election 2012: South Carolina Republican Primary (Romney 27%, Santorum 24%, Gingrich 18%)