President Barack Obama gestures as he speaks at a grassroots event at Cornell College, Wednesday, Oct. 17, 2012., in Mount Vernon, Iowa. (AP Photo/Nam Y. Huh)

 

              President Barack Obama gestures as he speaks at a grassroots event at Cornell College, Wednesday, Oct. 17, 2012., in Mount Vernon, Iowa. (AP Photo/Nam Y. Huh)
President Barack Obama gestures as he speaks at a grassroots event at Cornell College, Wednesday, Oct. 17, 2012., in Mount Vernon, Iowa. (AP Photo/Nam Y. Huh)