Freed from decades of economic sanctions, Tehran has got doors open for new opportunities for its businesses to prosper. With economic growth comes the political, as Iran is asserting its role as an influential player on the international scene - and, especially, in the Middle East. However, with some neighbors not too happy with Iran's deal, and America's constantly changing partner-or-enemy attitude, how can it influence what's going on in the region right now? And, can it have an impact on the global balance of power? We ask veteran Iranian diplomat - ambassador Seyyed Hossein Mousavian is on Sophie&Co.