A last thought on my previous post:  the CBPP could have made the case that the Bush tax cuts would be more expensive--if they'd limited the forecast period to ten years.  Unfortunately, then the numbers wouldn't be the same size, because the cost of the tax cuts would be much, much bigger than this decade's relatively dainty Social Security deficits.  I think our political discourse has an unhealthy fetish for comparing similarly-sized numbers, even when they have little to do with each other.

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