Megan throws some more cold water on health care wonks:

If we get national healthcare, we will not get anything like the neat little systems proposed by academics who can assume away many of the political problems.  I am aware that proponents would rejoinder, that yes, they know it won't be perfect, but . . . But I'm not making the perfect the enemy of the good.  A national healthcare system in the United States will not merely be something sadly less than ideal--it will be nothing like most of the internally coherent proposals.  It will be something jury rigged out of Medicare, S-Chip and insurance mandates, ugly and very expensive.

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