DES MOINES, IA - AUGUST 13:  A blue ribbon is displayed next to a display of ears of corn in the Agriculture Building durnig the Iowa State Fair on August 13, 2015 in Des Moines, Iowa. The Iowa State Fair is one of the oldest and largest agricultural and industrial expositions in the United States. The annual fair, the largest event in Iowa, attracts over a million visitors each year. The fair runs through August 23.  (Photo by Justin Sullivan/Getty Images)