President Barack Obama greets and takes a group photo with the American Legion's Boys Nation and their mentors in the East Room of the White House during their visit, July 26, 2011.
(Photo by Official White House photo by Samantha Appleton)
(Photo by Official White House photo by Samantha Appleton)
(Photo by Official White House photo by Pete Souza)
(Photo by Official White House photo by Pete Souza)