"Lis Hartel became paralyzed after contracting polio in 1944. Her dreams of riding horses and competing in the sport of dressage were shattered. After months in the hospital, doctors told her she'd never ride again. Lis tried anyway. How do you stay on a horse without using your legs? How do you give the subtle cues needed in dressage with limited mobility? With hard work--and an unlikely horse named Jubilee. After years of training together and creating...