But Cain’s proposal is so very much more important. Perry will nibble around the edges, freeing valuable hours from tax preparation to be available for wealth creation. But Herman Cain would establish America as a beacon for investors, entrepreneurs, inventors, creative business people, and all manner of upwardly mobile, ambitious men and women. He would give the U.S. the lowest personal and corporate tax rates in the world, and the only place where investment earnings are tax free. To trivialize Cain’s big idea by comparing to to Perry’s small one is a vast disservice. Perry would not reduce the amount...