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 photo. The German government has obtained information ... 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 photo. The German government has obtained information that the United States may have monitored the mobile phone of Chancellor Angela Merkel and she called President Barack Obama on October 23, 2013 to demand an immediate clarification, her spokesman said. REUTERS/Yves Herman/Files (BELGIUM - Tags: POLITICS TPX IMAGES OF THE DAY) less 
1 / 26
Reuters | Photo By YVES HERMAN / REUTERS
Wed, Oct 23, 2013 3:26 PM EDT