Retired NFL running back Emmitt Smith is one of the speakers for the Iowa Commercial Real Estate Expo Sept. 30 at the Sheraton West Des Moines Hotel. Smith, who is a commercial real estate broker, retired in 2004 after becoming the league's all-time leading rusher. He was elected to the Pro Football Hall of Fame in 2010. Other speakers are commercial real estate consultant Mike Lipsey and Chris Kuehl, managing director of Armada Corporate Intelligence, which provides economic forecasting for corporations. Register online.