When Peter DeLeo set out one Sunday morning on a sightseeing and photography trip over the central Sierra Nevada mountains in California, he had no idea that he would soon be fighting for his life with the odds stacked very much against him. DeLeo's single-engine plane encountered turbulence, and he and his two passengers crashed in the mountains. All three survived the accident but sustained multiple injuries. DeLeo had broken ribs, a shattered ankle, and a badly damaged shoulder. After assessing their situation, they decided that the passengers should remain with the plane while DeLeo would...