The debt-ceiling debacle of 2011 was clear evidence of the dangerous polarization of American politics. Heedless of the warnings of economists, a majority of Republicans in the House refused to allow the Treasury to borrow enough money to pay for spending already ordered by Congress. The government avoided a catastrophic default only by unprecedented legislative contortions. The debt ceiling fight also showed that the two parties simply don't understand each other. In Dangerous Convictions, former Democratic Congressman Tom Allen, explains how beneath the surface of our political debates, the