Nothing has changed in Iran, except Rouhani is now wealthier given the suspension by the United States of key sanctions. Iran is as strong today globally as it ever was. Europe is considering stronger sanctions and Iran is working diligently to get more sanctions lifted to buy at least 400 aircraft.
Just keep in mind that the Obama White House has been negotiating with Iran and using several mediators, but even more disturbing is what is below. We are earnestly working with a state sponsor of terror.