Mitt Romney’s plan to cut taxes and offset the resulting revenue loss by limiting tax breaks has been attacked as “mathematically impossible.” He would reduce all individual income-tax rates by 20%, eliminate the Alternative Minimum Tax and the estate tax, and limit tax deductions and loopholes that allow high-income taxpayers to reduce their tax payments. All this, say critics, would require a large tax increase on the middle-class to avoid raising the deficit.
Careful analysis shows this is not the case.
Even if Governor Romney's Tax Plan Could be Made to Add Up, It Wouldn't Make Any Sense - Forbes