Ex-Iranian President Ahmadinejad submits his name for presidential election

By Bozorgmehr SharafedinLONDON (Reuters) - Ex-Iranian President Mahmoud Ahmadinejad submitted his name on Wednesday for registration as a candidate in Iran's presidential election in May, state media reported.Although the move by the former hardline president was seenas an attempt to bolster the candidacy of an ally, it was also a challenge to the authority of Iran's Supreme Leader Ayatollah Ali Khamenei, who had ordered him not to run.Registration for the May 19 election started on Monday and w