President Obama Waves to an Employee During a Tour of Johnson Controls Inc.

President Barack Obama waves to an employee in a "clean" facility during a tour of Johnson Controls Inc. in Holland, Mich., Aug. 11, 2011. Elizabeth Rolinski, vice president of operations at Johnson Controls Inc., right, accompanied the President during the tour of the advanced battery facility. (Official White House Photo by Pete Souza)

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• August 2011: Photo of the Day