A polling worker laughs after U.S. President Barack Obama mimicked the way she checked the photo on his driver's license, as he voted early at the Martin Luther King Community Center in Chicago

 
A polling worker laughs after U.S. President Barack Obama mimicked the way she checked the photo on his driver
A polling worker laughs after U.S. President Barack Obama mimicked the way she checked the photo on his driver's license, as he voted early at the Martin Luther King Community Center in Chicago, Illinois October 25, 2012. REUTERS/Kevin Lamarque