Iran's Foreign Minister Mohammad Javad Zarif, who is also Iran's top nuclear negotiator, center, shakes hands with an official upon arrival at the Mehrabad airport in Tehran, Iran, Wednesday, July 15, 2015. Zarif and his entourage returned to Tehran on Wednesday morning, a day after Iran and the West reached a historic nuclear deal. (AP Photo/Ebrahim Noroozi)
Katie Hall is a student at University of Wisconsin-Madison studying journalism and french.