Herman Cain's "9-9-9" tax reform is attracting enough attention to become the focus of this week's Presidential debate. As a plan for overhauling revenues and unleashing the private sector, it's a bold gambit that shows Cain is willing to take chances and shake up the Capital. The 9 percent business tax is a stroke of genius. It would give us the lowest business rates in the world and would make us the "tax haven" for investment from everywhere. The stock market would barely be able to stay abreast. The 9 percent personal income rate would eliminate all the deductions and...