Michigan Gov. Jennifer Granholm, center, and her husband Daniel Mulhearn, left, greet President Barack Obama upon his arrival at Detroit Wayne County Airport in Detroit, Friday, July 30, 2010. (AP Photo/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

Michigan Gov. Jennifer Granholm, center, and her husband Daniel Mulhearn, left, greet President Barack Obama upon his arrival at Detroit Wayne County Airport in Detroit, Friday, July 30, 2010. (AP Photo/Pablo Martinez Monsivais)