Make no mistake about it. Both Herman Cain and Newt Gingrich know exactly what they are doing. They are, collectively -- with Cain's significant increase in the polls and Gingrich's slow but steady rise -- working to ensure that a conservative agenda, even a somewhat rebellious agenda, is in place regardless of who is the nominee of the GOP. Cain is a brilliant businessman. Trust me; I know him well. What he lacks in knowledge of government he more than makes up for in business acumen. He could easily damage most of his fellow GOP contenders with one simple question:...