 Iran now has a moderate president who wants to strike a fresh nuclear deal with the West and have crippling U.S. sanctions removed. His campaign also promised to curb the notorious morality police. Many Iranians who stayed away from the polls in an act of defiance against the clerical regime in the first round of voting decided to back Mr. Pazeshkian in the second round. While reformers are celebrating, conservatives have been bogged down in recriminations over their campaign strategy.