This week on KPR Presents, it's an encore broadcast from the Kansas Public Radio archives. Kofi Annan served as Secretary-General of the United Nations from 1997 to 2006, winning the 2001 Nobel Peace Prize for revitalizing the role of the United Nations. Tune in at 8:00 Sunday evening for this presentation of the Truman Presidential Library and Museum in Independence, Missouri, which was one of Annan's last major addresses as U.N. Secretary-General.