When Jim Sayre was a totally blind child growing up in Zanesville, Ohio, in the 1940s and '50s, blind children were typically steered into occupations caning chairs or tuning pianos. "Or selling pencils on street corners," Jim says. No way he was going to settle for that. With the help of a loving mother who saw the wisdom of integrating a blind child into the sighted world and Jim's own innate determination--he might call it stubbornness--Jim...