FROM CNN's Jack Cafferty: Rick Santorum says he's not ruling out the idea of becoming Mitt Romney's running mate. Nobody's asked him, but he's serious. No B.S. When asked by the Christian Broadcasting Network if he would consider a vice presidential offer by Romney, Santorum replied, "Of course." Santorum says this race is "the most … Continue reading If you were Romney, under what circumstances would you ask Santorum to be your running mate?