President Barack Obama examines the car door during his tour of the Jefferson North Chrysler Plant in Detroit, Friday, July 30, 2010, where the Jeep Grand Cherokee is assembled. (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

President Barack Obama examines the car door during his tour of the Jefferson North Chrysler Plant in Detroit, Friday, July 30, 2010, where the Jeep Grand Cherokee is assembled. (AP Photo/Pablo Martinez Monsivais)