President Barack Obama Greets Graduating Joplin High School Seniors

President Barack Obama greets graduating Joplin High School seniors before their commencement ceremony at Missouri Southern State University's Leggett & Platt Athletic Center in Joplin, Mo., May 21, 2012. (Official White House Photo by Pete Souza)

Featured in the Following Photo Galleries:

• May 2012: Photo of the Day