GOING TO SCHOOL Education Secretary Arne Duncan, left, Dr. Jill Biden, wife of Vice President Joe Biden, Deputy Defense Secretary William J. Lynn III, center right, and Army Gen. George W. Casey Jr., chief of staff, walk into Fort Belvoir Elementary School, Va., June 22, 2010, to meet with military members and spouses to discuss the challenges affecting military children and families. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 562405-S-GHD93-400.jpg Photo Gallery