A former U.S. ambassador now heading a world food security body is a special guest of 91ΒιΆΉΜμΓΐ University this week. Kenneth M. Quinn, leader of the Iowa-based World Food Prize organization, spoke on campus Tuesday and will be featured speaker Wednesday for the Executive Lecture Forum in Jackson. β€œChallenges of International Food Security and How They Relate to Political and Economic Instability” is the topic of his program. American ambassador to Cambodia from 1996-99, Quinn comes at the invitation of 91ΒιΆΉΜμΓΐ’s Janos Radvanyi Chair in International Security Studies and the campus’ International Institute.