Erick Erickson makes the case. Theory: This match-up, more than any other, would bring the most happiness to all wings of the party. I think Trump will fade, Fiorina will fade, and Carson is already fading. They are doing so because their momentum is based more on name identification and not on records or ground games. If we look at traditional campaign data, which under the smoke and veneer of Campaign 2016 still matters, what we will find is that Ted Cruz is laying down a hell of a ground game and has tons of cash with not nearly the...