Iranian Foreign Minister Javad Zarif stands on the balcony of Palais Coburg, the venue for nuclear talks in Vienna, Austria, July 2, 2015. Iran and six world powers gave themselves an extra week to ... more 
Iranian Foreign Minister Javad Zarif stands on the balcony of Palais Coburg, the venue for nuclear talks in Vienna, Austria, July 2, 2015. Iran and six world powers gave themselves an extra week to reach a final nuclear accord after it became clear they would miss a deadline on Tuesday, with U.S. and Iranian officials sounding upbeat even though obstacles remain. REUTERS/Leonhard Foeger less 
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Reuters | Photo By LEONHARD FOEGER / REUTERS
Thu, Jul 2, 2015 5:54 AM EDT