Okay, not to double up on Fallows, but his original observations about the Ryan Plan are worth revisiting, as Ryan-as-VP is about to deploy the mythopoetic idyll of his competence:

The Brave and Serious Mr. Ryan

1) A plan to deal with budget problems that says virtually nothing about military spending is neither brave nor serious. That would be enough to disqualify it from the “serious” bracket, but there’s more.

2) A plan that proposes to eliminate tax loopholes and deductions, but doesn’t say what any of those are, is neither brave nor serious. It is, instead canny — or cynical, take your pick. The reality is that many of these deductions, notably for home-mortgage interest payments, are popular and therefore risky to talk about eliminating.

3) A plan that exempts from future Medicare cuts anyone born before 1957 — about a quarter of the population, which includes me — is neither brave nor serious. See “canny or cynical: take your pick” above.

4) A plan to reconcile revenue and spending, which rules out axiomatically any conceivable increase in tax rates, is neither brave nor serious. Rather, it is exactly as brave and serious as some opposite-extreme proposal that ruled out axiomatically any conceivable cut in entitlement spending or discretionary accounts.

5) A plan to reduce the federal deficit by granting big tax reductions to the highest-income Americans, at a time when their tax rates are very low by historic standards and and their share of the national income is extremely high, and when middle-class job creation is our main economic challenge, is neither brave nor serious. See “cynical,” above.

6) A plan that identifies rising health-care costs as the main problem in public spending, but avoids altogether the question of how to contain those costs, is neither brave nor serious. This is a longer and more complicated discussion (see below*); but I submit that the more closely anyone looks at the Ryan plan, the less “serious” it will seem on this extremely important front.

7) A plan that reduces, among other things, research on future energy sources and technologies by about 85% may be “brave,” but it’s also crazy and short-sighted.

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I could go on, but I’ll just say that Ryan’s plan utterly avoids the challenge of “bending the curve” of medical costs, which “serious” people have struggled with for years. Instead it relies on two nostrums: (a) The myth that letting people comparison shop for health-insurance policies will hold costs down, despite exactly zero evidence from the real world that this has worked; and (b) The idea that decreeing lower spending for older people will hold down overall cost growth, rather than just apportioning it on economic grounds and denying it, “death panel” style, to people who run out of money.