As the British celebrate Queen Elizabeth II's sixty years on the throne, Americans congratulate them and share the celebratory moment. She isn't, thank goodness, our queen, but she is a symbol of some enduring British qualities and accomplishments that are worth remembering and celebrating at a time like this. This year Queen Elizabeth passes George III as the second longest reigning monarch in British history; another four years on the throne would see her pass Queen Victoria to become the longest reigning monarch in the history of a crown that goes back to the dim days of the...