Germany's Chancellor Angela Merkel uses her mobile phone before a meeting at a European Union summit in Brussels in this December 9, 2011 file photograph. U.S. President Barack Obama on October 23, ... more 
Germany's Chancellor Angela Merkel uses her mobile phone before a meeting at a European Union summit in Brussels in this December 9, 2011 file photograph. U.S. President Barack Obama on October 23, 2013 sought to assure German Chancellor Angela Merkel that the United States is not monitoring her communications after Merkel raised the issue with Obama. REUTERS/Yves Herman/Files (BELGIUM - Tags: POLITICS) less 
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Reuters | Photo By YVES HERMAN / REUTERS
Wed, Oct 23, 2013 2:48 PM EDT