The morning Arlene Brown read in her hometown newspaper about the abandoned children in the aftermath of the 1994 Rwandan genocide, she did what few retirees would ever consider doing. She joined with a mission group to make the long journey to Africa. Her memoir, Hope Made Real, is filled with rich experiences and courageous actions. Her writings reveal that the most important journeys we make can't be measured in miles, but in the strength, wisdom,...