PHOTOS: Obama in Chicago
President Barack Obama jogs to the stage after being introduced for a speech at Argonne National Laboratory on March 15, 2013 in Argonne, Illinois. Obama used the event to push for more federally funded research into clean energy technologies. Argonne is the current home of a $120 million federal project to develop smaller, cheaper and more powerful batteries for electric vehicles. (Photo by Scott Olson/Getty Images)
PHOTOS: Obama in Chicago
From the Ford tour to family vacation, Obama covers the city.
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