Years ago, when men began constructing buildings too tall for the average person to walk the stairs to the top floor, someone invented the elevator. As a small boy, my parents occasionally took my sister and I to Denver where several tall buildings existed. Highlight of our day was stepping into an elevator’s open doorway, having it miraculously close behind us and having a well-dressed man ask, “What floor?” Our guide, the elevator operator would push a few buttons on the wall and the entire room, people and all, would begin a vertical ride up or down to destinations unknown. After several tr...