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U.S. economist Nouriel Roubini, center, speaks during a meeting on the world economy in Cernobbio, Italy, Friday, Sept. 7, 2012. Experts and leaders gathered in Italy to discuss the global financial crisis. (AP Photo/Giuseppe Aresu)

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U.S. economist Nouriel Roubini, center, speaks during a meeting on the world economy in Cernobbio, Italy, Friday, Sept. 7, 2012. Experts and leaders gathered in Italy to discuss the global financial crisis. (AP Photo/Giuseppe Aresu)
U.S. economist Nouriel Roubini, center, speaks during a meeting on the world economy in Cernobbio, Italy, Friday, Sept. 7, 2012. Experts and leaders gathered in Italy to discuss the global financial crisis. (AP Photo/Giuseppe Aresu)
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