Iain Lobban, director of GCHQ, is seen attending an Intelligence and Security Committee hearing at Parliament, in this file still image taken from video in London November 7, 2013. Lobban, the British... more 
Iain Lobban, director of GCHQ, is seen attending an Intelligence and Security Committee hearing at Parliament, in this file still image taken from video in London November 7, 2013. Lobban, the British spy chief whose agency was accused in documents leaked by former U.S. intelligence operative Edward Snowden of playing a principal role in mass Anglo-U.S. surveillance, will step down at year end, Britain's Foreign Office said on January 28, 2014. REUTERS/UK Parliament via REUTERS TV/Files (BRITAIN - Tags: CRIME LAW POLITICS SOCIETY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS less 
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Tue, Jan 28, 2014 7:50 PM EST