On one of my returns to California, I attended the "Disabilities Expo 88" at the Los Angeles Convention Center. Among the various marvels oftech nology for the wheelchair disabled were stair-climbing wheelchairs, self raising and lowering kitchen cabinetry, and even a completely accessible "dude ranch" experience. At the same time, as a guest of the Southern California Chapter of the National Spinal Cord Injury Association, I was part of a small booth (among the more than two hundred exhibitors) in which we had spinal cord injured people up and walking with a lower extremity bracing system...