The international atomic watchdog has called on Tehran to clear up all the outstanding questions on the matter. The U.S. has promised to introduce new sanctions against the country's oil industry. Washington also reportedly told Tehran to wrap up its nuclear programme by spring 2012, or it will stop holding back Israel's long-planned attack on the Islamic republic. Talk of such a strike has been heard from Israel in the past two weeks, following the IAEA's report that failed to disprove Iran's drive for nuclear weapons. But Dr Seyed Mohammad Marandi from Tehran University believes the only difference sanctions will make is expose Washington's weakening influence on the situation. Show Less >>