Part of my training for the Vietnam War was cliff rappelling; climbing down the face of a sheer rock cliff on the end of a (hopefully) strong rope. When I returned home from combat, it came to me that I could actually use this skill to accomplish some good right in my home state. So I called the director of training and education for the state prison. “Sam, I would like to teach some of your most hardened prisoners how to rappel down rock cliffs.” My request clearly threw him