The Shutdown Prophet by Jonathan Chait 

In our Founders’ defense, it’s hard to design any political system strong enough to withstand a party as ideologically radical and epistemically closed as the contemporary GOP. (Its proximate casus belli—forestalling the onset of universal health insurance—is alien to every other major conservative party in the industrialized world.) The tea-party insurgents turn out to be right that the Obama era has seen a fundamental challenge to the constitutional order of American government. They were wrong about who was waging it.