Barack Obama

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President Barack Obama speaks about the economy and growing economic inequality, Wednesday, Dec. 4, 2013, at the Town Hall Education Arts Recreation Campus in Washington. The president said the income gap between America's rich and poor is a "defining challenge of our time." Obama said income inequality has jeopardized the nation's middle class. And he is urging Washington to take steps to ensure that the economy works for everyone. (AP Photo/ Evan Vucci)