Sheikh, Egypt, Safar 15, 1432, Jan 19, 2011, SPA -- Arab leaders, who concluded an economic, developmental and social summit here today, reiterated their complete commitment to the developmental strategies and economical thinking endorsed at Kuwait summit on 19-20 January 2009. In a statement read by Amr Mousa, the Arab League Secretary General, they gave the food security, climate change and water scarcity first priorities and utmost interest.