As wind turbines turn on the distance, President Barack Obama changes direction as he walks from a podium after speaking at the Heil family farm , Tuesday, Aug. 14, 2012, in Haverhill, Iowa, during a ... more 
As wind turbines turn on the distance, President Barack Obama changes direction as he walks from a podium after speaking at the Heil family farm , Tuesday, Aug. 14, 2012, in Haverhill, Iowa, during a three day campaign bus tour through Iowa. (AP Photo/Carolyn Kaster) less 
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Associated Press | Photo By Carolyn Kaster
Tue, Aug 14, 2012 5:39 PM EDT