US, Iran Face Political Obstacles to Potential Nuclear Deal

A potentially path-breaking nuclear deal could face political trouble in Iran and the United States, but not necessarily elsewhere. The framework deal struck April 2 between Tehran and six world powers — Britain, China, France, Germany, Russia and the United States — sets in motion efforts toward a final accord by this summer. Depending on the final terms, it could require legislative ratification. The deal faces opposition in U.S. Congress and from hardliners in Iran, but appears to be less contentious in the other key signatory countries. For example, if Russia signs and ratification is required, President Vladimir Putin's allies in parliament would be all but certain to provide it. Deputy Foreign Minister Sergei Ryabkov, Russia's main man at the Iran talks, said during previous negotiations that he did not think any final agreement would require parliamentary ratification.