Article Photos: THE RACE: Obama now holds slight lead over Romney



President Barack Obama boards Air Force One, Monday, Sept. 17, 2012, at Andrews Air Force Base, Md., en route to Ohio. (AP Photo/Carolyn Kaster)

President Barack Obama boards Air Force One, Monday, Sept. 17, 2012, at Andrews Air Force Base, Md., en route to Ohio. (AP Photo/Carolyn Kaster)