Walking for four days in Glasgow, Scotland, we explored city squares, art galleries, a majestic 600-year-old university, a grand old estate with a huge library and the largest basement servants’ wing we have ever seen. We got around on foot, via taxi, and a user-friendly underground system affectionately called “The Clockwork Orange.” On one of our walks, we looked up and noticed that we were passing Nelson Mandela Place. Bill then told Natalie and me what Andy, our Glaswegian friend, told him. I was so moved by the story that when we arrived back home in Los Angeles, I wanted to learn more. Here, then, is an inspiring and empowering…