TEHRAN, IRAN - MAY 13: Supporters of Iranian President and presidential candidate Hassan Rouhani gather at a campaign rally on May 13, 2017 in Tehran, Iran. Presidential elections will be held in Iran on 19 May. (Photo by Majid Saeedi/ Getty Images)
TEHRAN, IRAN - MAY 13: Supporters of Iranian President and presidential candidate Hassan Rouhani gather at a campaign rally on May 13, 2017 in Tehran, Iran. Presidential elections will be held in Iran on 19 May. (Photo by Majid Saeedi/ Getty Images)