ECB Hasn't Fixed Fundamental Problems, Rogoff Says

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Jan. 23 (Bloomberg) -- Kenneth Rogoff, an economics professor at Harvard University and a former chief economist at the International Monetary Fund, talks about Europe's sovereign-debt crisis and the U.S. economy. Rogoff speaks with Tom Keene on Bloomberg Television's "Surveillance" on the sidelines of the World Economic Forum in Davos, Switzerland. (Source: Bloomberg)