Iran 's foreign minister says Iran retains the right to nuclear technology . But it does not retain the right to enrich uranium , Secretary of State John Kerry says . Comment: `` This agreement is still bad and will make it more difficult than before to achieve an appropriate solution in the future , '' he said . The deal follows marathon talks that stretched into early Sunday morning .
Iran 's foreign minister says Iran retains the right to nuclear technology . But it does not retain the right to enrich uranium , Secretary of State John Kerry says . Comment: The deal follows marathon talks that stretched into early Sunday morning .