In this environment Democrats are not likely to go along with a flat tax or a continuation of the Bush tax cuts.

FORBES: Cain's 9-9-9 Plan and Perry's Flat Tax Likely to Assure Expiration of Bush Tax Cuts and Major Battle over the Debt Ceiling

That first year, Bush made only one mistake: he gave a flat speech in Indianapolis, Ind.

CNN: Who chose George?

From a high vantage point, there are infinite views of treetops and thick bush stretching over deep valleys, intersected with sheer slabs of flat-topped, saffron-coloured cliffs fringed with green.

BBC: The perfect trip: New South Wales

In 2004 under President George W. Bush, Washington let corporations temporarily bring money from offshore profits at a flat rate of around 5.25%.

FORBES: Move up http://i.forbesimg.com t Move down

Too bad the Bush Administration has decided to punt on major tax simplification, such as the flat tax.

FORBES: Mitigating Inflation's Fallout

While dollars spent on contracting doubled during the Bush administration, the size of the work force responsible for managing federal contracts remained flat.

WHITEHOUSE: "Doing What Works" Transcript

In 2004, George W. Bush allowed a tax holiday so corporations could bring profits back to the United States and only pay a flat rate of 5.25%.

FORBES: Is 95% of the Trade Imbalance Legal Tax Evasion?