Washington Photo Blog: Thursday, Apr. 03, 2008

Barack Obama reads over the walls in a classroom that was used as his holding room at Wallingford High School in Wallingford, Pennsylvania.
Callie Shell / Aurora for TIME

Head of the Class

Barack Obama reads over the walls in a classroom that was used as his holding room at Wallingford High School in Wallingford, Pennsylvania.

The Washington photo blog is an intimate look at life inside the Beltway and beyond.