伊朗核协议签署一周年,各方继续执行但各存疑虑

One year ago, exhausted diplomats from Iran and a group of six world powers emerged from a meeting at a luxury hotel in Vienna, Austria with what they had been seeking for nearly two years: a comprehensive agreement limiting Iran's nuclear program in exchange for lifting harsh economic sanctions.

Today the pact is in effect with clear results on its major components, but there are lingering suspicions on both sides that the other may not live up to their responsibilities.

Iranian President Hassan Rouhani said Wednesday that if the world powers fail to meet their responsibilities, then Iran stands ready to restore its nuclear program. Meanwhile, some members of the U.S. Congress want to ban the United States from purchasing nuclear-related material from Iran, accuse the Obama administration of giving up too much too soon in the negotiations, and are wary about how Iran is spending its newly unlocked money.

Iran has complained that despite the lifting of sanctions that once barred financial institutions from doing business with the country, foreign banks remain reluctant to be involved in transactions.