Arab League Secretary General Amr Mussa (C) laughs with Omani Minister of Economy Ahmad Ibn Abdel-Nabi Maki (R) during the opening of the Gulf Cooperation Council (GCC) summit in Doha, 03 December 2007. Iranian President Mahmoud Ahmadinejad today offered a security pact with Gulf Arab leaders, as he became the first president from the Islamic republic to take part in their summit.