Talks on restoring the Iran nuclear deal have started in Vienna after a five-month hiatus. Iran's top nuclear negotiator says any significant step forward would be predicated on the lifting of economic sanctions. Political analyst Mohammad Marandi weighs in. #IranTalks #NuclearTalks #US Subscribe: http://trt.world/NOW Livestream: http://trt.world/ytlive Facebook: http://trt.world/facebook Twitter: / trtworldnow Instagram: http://trt.world/instagram Visit our website: http://trt.world