Fair Scene: Friday, August 14 Iowa Public Radio | By John Pemble Published August 14, 2015 at 1:13 PM CDT Facebook Twitter LinkedIn Email John Pemble/IPR The Des Moines Register’s Political Soapbox is a staple of the Iowa State Fair, where candidates are given 20 minutes to give a speech. This sign shows Thursday's lineup. 8/13/2015 Photo by John Pemble