By the end of the first GOP presidential debate in South Carolina, only one name emerged with solid promise: Herman Cain. In 1988, Cain purchased Godfather's Pizza. By 1995, under his skillful guidance, Godfather's went from the verge of utter failure to become the fifth-largest pizza chain in America. Still, even as his managerial office skills helped him climb the success ladder, he never considered himself above the equally necessary task of cleaning bathroom toilets. In the days since Cain's return to the political stage, the excitement he stirred is growing. There are three reasons why his challengers should be...