Khatami, reformists back Rohani in Iran presidential vote

By Yeganeh Torbati DUBAI (Reuters) - Iranian reformists led by former President Mohammad Khatami have endorsed Hassan Rohani, the lone moderate contesting Friday's election for the presidency, held by hardline Mahmoud Ahmadinejad for the past eight years. Within Iran's complex mix of clerical rulers and elected officials, Supreme Leader Ayatollah Ali Khamenei has the final say on big issues like