Andrew Sullivan thinks Paul Ryan...

...is a "fiscal fraud":

So let's point out the obvious: Paul Ryan is another fiscal fraud. He has much less interest in practically reducing the debt than posturing as a born-again supply-sider and base-pleaser for the Limbaugh right. He is a veneer of fake earnestness over a vandalistic opposition determined to win back power rather than address the country's urgent fiscal crisis.

So does Jonathan Chait:

Ryan, like many conservatives, prefers to reside in an alternate universe in which the Affordable Care Act is not a budget saver but  a massive drain on the federal budget (like, say, the prescription drug entitlement he supported.) The Bowles-Simpson commission examined the issue and sensibly concluded that building up the cost-saving devices in the PPACA would save money, and tearing them down would cost money. Ryan can't accept that. You can negotiate with somebody who has different preferences than you do. But negotiating with somebody who inhabits a different reality is very difficult.

Meanwhile, James Fallows wonders what happened to John McCain:

I'll stress the incredible part, because much more than my colleagues I can remember when McCain seemed to be a potentially Eisenhower-ish, as opposed to an increasingly Bunning-like, figure in American public life. Broad-minded, tolerant, eager to bridge rather than open divides -- this was the way he seemed to so many people starting from his arrival in the Congress in the 1980s.

Seeing him now is surprising not simply because it reminds us: this man could be the sitting president, but also because it again raises the question, how did he end up this way? Even if his earlier identity had been artifice, what would be the payoff in letting it go?
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John McCain seems intentionally to be shrinking his audience, his base, and his standing in history. It's unnecessary, and it is sad.