(From L) An unidentified attendee, President of Gabon Ali Bongo, President of the Republic of the Congo Denis Sassou Nguesso, Chadian President Idriss Deby, President of Sao Tome and Principe Manuel Pinto da Costa, President of the Democratic Republic of the Congo Joseph Kabila, Central African President Michel Djotodia, Prime Minister of Cameroon Philemon Yang and an unidentified representative of Angola attend the opening of a special summit of the 10-nation Economic Community of Central Afric