Nigerian President Olusegun Obasanjo (right) welcomes Secretary of Defense William S. Cohen (2nd from left) and members of his delegation to his presidential offices in Abuja, Nigeria, on April 1, 2000. Cohen is in Nigeria to offer U.S. assistance in raising the professionalism of the military forces of the nation. Among those accompanying Cohen during his meetings in Nigeria are: Bernd McConnell (left) deputy assistant secretary of defense for African affairs, and U.S. Ambassador to Nigeria William Twaddell (center).