Greek Finance Minister Yannis Stournaras, left, speaks with German Finance Minister Wolfgang Schaeuble during a meeting of eurogroup finance ministers in Brussels on Thursday, Dec. 13,

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Greek Finance Minister Yannis Stournaras, left, speaks with German Finance Minister Wolfgang Schaeuble during a meeting of eurogroup finance ministers in Brussels on Thursday, Dec. 13, 2012. The European Union on Thursday took a major step towards one of the most important transfers of financial authority away from national capitals when its member states agreed to create a single supervisor for their banks. (AP Photo/Virginia Mayo) less