Former Iranian president Khatami waves to journalists after swearing-in ceremony for Iran's new President Ahmadinejad in Tehran. Former Iranian president Mohammad Khatami (C) waves to journalists after the swearing-in ceremony for Iran's new President Mahmoud Ahmadinejad in Tehran August 6, 2005. Ahmadinejad became president on Wednesay after approval by Iran's most powerful figure Supreme Leader Ayatollah Ali Khamenei and now has the task of appointing ministers to tackle the nuclear problem and fulfil his promises of social justice. REUTERS/Morteza Nikoubazl