I will never forget the range of emotions Joe and I went through Joe's senior year of high school. For nine months the two of us hardly did anything at all with the Explorer Post that Dad led. What's more, Joe even risked his career path, in a way. Instead of visiting schools of higher learning that autumn, Joe put all his energies toward doing something for "River Hayes," an eight year old friend of ours who had been diagnosed with leukemia. River's...