African presidents attending the 8th Leon H.Sullivan Summit in Arusha, Tanzania, have cited corruption and poor infrastructure as major obstacle in efforts to raise the quality of life the continent's people. The six presidents are Mwai Kibaki of Kenya, Paul Kagame of Rwanda, Armando Gebuza of Mozambique, Mohamed Abdulaziz of Sahrawi, Omar al Bashir of Sudan and their host President Jakaya Kikwete of Tanzania.