Welcome to Weimar America: John Judis on why the shutdown standoff is one of the worst crises in American history. How a game theorist would solve the shutdown showdown: Northwestern's Daniel Diermeier explains how he'd model Obama and Boehner's standoff. Kevin Drum on the shutdown in 10 infuriating sentences. Brad Plumer on absolutely everything you need to know about the debt ceiling. Cynthia Tucker on how animosity towards the Affordable Care Act is hard to fathom. Francis Fukuyama on why we are still fighting over Obamacare: Because America was designed for stalemate. Don’t blame the Republicans for America’s destruction: Uwe Bott on why we need a Coffee Party movement. “People don’t fully appreciate how committed the tea party is to not compromising”: Ezra Klein interviews Christopher Parker, co-author of Change They Can't Believe In: The Tea Party and Reactionary Politics in America. The shutdown prophet: Washington couldn’t have gone dark without a radicalized Republican Party — or maybe it was destined to all along. Charlie Cook on why House Republicans don't have an electoral incentive to compromise. The shutdown is a Republican civil war — that's one reason it's proving so hard to end. Matthew Green on the 5 species of House Republicans. Charles Pierce on how the reign of morons is here — only the truly naive can be truly surprised. David Christopher Bell on 5 unexpected side effects of the government shutdown.