The head of the British Intelligence Service (MI6) John Sawers smiles at the media as he arrives for the Nelson Mandela memorial service at Westminster Abbey in London, Monday, March 3, 2014. Mandela,... more 
The head of the British Intelligence Service (MI6) John Sawers smiles at the media as he arrives for the Nelson Mandela memorial service at Westminster Abbey in London, Monday, March 3, 2014. Mandela, the former president of South Africa, died in December 2013. (AP Photo/Alastair Grant) less 
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Associated Press | Photo By Alastair Grant
Mon, Mar 3, 2014 7:42 AM EST