11/16/2012 08:23 am ET Updated Jan 16, 2013

Paul Krugman: U.S. Politics 'Infested With Many Zombie Ideas'

America's political landscape is infested with many zombie ideas -- beliefs about policy that have been repeatedly refuted with evidence and analysis but refuse to die. The most prominent zombie is the insistence that low taxes on rich people are the key to prosperity. But there are others.

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