We have had many dear friends though the years who serve in law enforcement. I was reminded again this week that those who protect and serve are special people. They have families. They hurt. They live under stress and strain that few people ever know. They are not perfect, but they deserve our respect and desire our prayers. We need them and they need us. My son and I were walking through downtown Dallas. Just days before, a madman had opened fire on a large crowd, targeting Dallas police officers. Five were slain. Across the street from Dealey Plaza, where President John F. Kennedy was assassinated, I approached two Dallas police officers. They were guarding yet another street that was…