Iran 's foreign minister says Zarif retains the right to nuclear technology . But it does not retain the right to enrich uranium , Secretary of Obama Obama says . The deal includes substantial limitations to prevent the creation of nuclear weapons , John Kerry says . A senior administration official told CNN that in the months leading up to the Geneva talks , U.S. and Iranian officials held private , previously unknown discussions to generate ideas for the wider P5+1 negotiations . The deal follows marathon talks that stretched into morning .
Iran 's foreign minister says Zarif retains the right to nuclear technology . But it does not retain the right to enrich uranium , Secretary of Obama Obama says . The deal includes substantial limitations to prevent the creation of nuclear weapons , John Kerry says . The deal follows marathon talks that stretched into morning .