Libyan leader and African Union chairman Muammar Gaddafi delivers a speech during the opening of the summit of Saharan states in Sabrata, 70 km (44 miles) west of Tripoli May 29, 2009. Gaddafi appealed to the leaders of Chad and Sudan on Friday to settle an armed standoff along their shared border. REUTERS/Ismail Zetouni (LIBYA POLITICS)