Douthat defends the plan and proposes a few modifications. Ambinder notices few Republicans are willing to officially attach their names to the plan:

This isn't a non-serious plan. But Republicans don't seem to be ready to risk the accusation that they want to end Medicare (a very popular program), privatize Social Security (a non-starter), raise taxes on the middle class (by proxy) -- by affixing their name to a specific plan that does just that. So the question for Republicans is: yes, Paul Ryan has a plan. But if you don't support it, then what, specifically, would you do to reduce the deficit over the long-term?

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