U.S. Under Secretary of State for Political Affairs Wendy Sherman arrives before the start of two days of closed-door nuclear talks at the United Nations offices in Geneva November 7, 2013. ... more 
U.S. Under Secretary of State for Political Affairs Wendy Sherman arrives before the start of two days of closed-door nuclear talks at the United Nations offices in Geneva November 7, 2013. REUTERS/Denis Balibouse less 
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Reuters | Photo By � Denis Balibouse / Reuters / Reuters
Tue, Feb 4, 2014 11:11 AM EST