Coinciding with World Food Prize events in Des Moines this week, the U.S. and Mexico agriculture secretaries traveled to Iowa State for a few hours Oct. 20 for a bilateral meeting and a tour that included the Seed Science Center and the Plant Sciences Institute. Mexico's secretary of agriculture and rural development Víctor Manuel Villalobos Arámbula and U.S. secretary of agriculture Tom Vilsack were scheduled to participate Thursday on World Food Prize panels.