However, despite all the months of talks, Western negotiators still don't know which way Iran will go, Kerry said -- and a discrepancy remains between what the Iranians say they want from their nuclear program and the content of that program so far.
Iran, world powers start final nuclear talks
Interim 6-month agreement comes to an end July 20
POSTED: 5:03 AM PDT July 3, 2014 UPDATED: 2:28 PM PDT July 3, 2014
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