WASHINGTON (Reuters) - U.S. President Barack Obama renewed his administration's offer of dialogue and diplomacy with Tehran on Saturday, a year after his offer of a new beginning with Iran failed to achieve concrete results. Obama, who addressed Iranians in a new videotaped appeal to mark the observance of Nowruz -- a festival celebrating the arrival of spring -- has pledged ...

Osama bin Laden's son Omar said on Saturday that Al-Qaeda's North Africa branch should keep out of his family's affairs, after it accused Iran of mistreating his siblings stranded in Tehran. The Al-Qaeda chief's fourth son also confirmed that his sister Iman bin Laden together with their mother Najwa al-Ghanem had been allowed to leave Iran ...

Iran's leaders in their Persian New Year messages on Saturday said that over the past year the Islamic republic had been victorious over enemies who had plotted against the nation and the revolution. Supreme leader Ayatollah Ali Khamenei said the country's "alertness" had defeated its enemies, while hardline President Mahmoud Ahmadinejad warned Iran would "cut the hands" of ...