He calls it the 9-9-9 Plan, which consists of a brand-new retail sales tax layered on top of a new-and-improved business transactions corporate tax (a substitute for the current corporate income and payroll taxes), in turn layered on top of a new-and-improved comprehensive factor income tax (a replacement for the current mishmash of individual income and payroll taxes).

FORBES: Herman Cain's Tax Plan Is a Winner, But Here's Your Exploding Cigar