Article Photos: Oklahoma teacher adjusts to multiple sclerosis

Sallie Harrison, a fourth-grade science and math teacher at Meeker Elementary School, explains long division to her students. Harrison has has multiple sclerosis. Photo by Jim Beckel, The Oklahoman <strong>Jim Beckel - THE OKLAHOMAN</strong>

Sallie Harrison, a fourth-grade science and math teacher at Meeker Elementary School, explains long division to her students. Harrison has has multiple sclerosis. Photo by Jim Beckel, The Oklahoman Jim Beckel - THE OKLAHOMAN