TEHRAN - President Mahmoud Ahmadinejad has warned the West that it must not assume that Iran is a divided society as the country faced some demonstrations following the June presidential election. "The Western politicians think something happening in Iran and Iran has become weakened. That is a mistake. They do not know Iran. The people of Iran are united and they would certainly defend rights and interests," Ahmadinejad explained. The president also added the West must not think that Iran's position has been weakened in defending its legal rights as it faces some opposition at home by some groups. "There...