Moderate Candidate Wins Iran's Presidential Vote By FARNAZ FASSIHI BEIRUT—Hassan Rohani, the candidate backed by the opposition and reformist political factions, was declared the winner in Iran's presidential vote, giving a decisive victory to Iranians calling for change. Iran's interior minister, Mostafa Mohammad Najjar, said at a press conference Saturday in Tehran that Mr. Rohani had obtained more than 50% of more than 36 million votes cast in Friday's election. Supporters of moderate candidate Hassan Rohani took to the streets to celebrate after he was declared winner of Iran's presidential election. Photo: Associated Press. Conservative candidates did poorly in vote...