** FILE ** President Obama visits a classroom at Yeadon Regional Head Start Center in Yeadon, Pa., on Tuesday, Nov. 8, 2011. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

** FILE ** President Obama visits a classroom at Yeadon Regional Head Start Center in Yeadon, Pa., on Tuesday, Nov. 8, 2011. (AP Photo/Charles Dharapak)