FRANCE 24 had the opportunity to speak to Sayed Hossein Mousavian, former ambassador of Iran to Germany, former member of the Iranian nuclear negotiation team -- and currently a research scholar at the program on Science and Global Security at Princeton University. If he was in the negotiation room in Geneva, what efforts would he take to win back the international communitys trust regarding Iran's nuclear program? FRANCE 24s Jean-Emile Jammine asked him.