In 1891, Pope Leo XIII   looked at the industrial revolution — factories, machines, workers being displaced and exploited — and decided the church had a role to play. The result was an encyclical: “ Rerum Novarum,” translated as “On New Things,” became one of the foundational documents of modern Catholic social teaching. Now, 135 years later, another Pope Leo sees another technological revolution enveloping humanity: His first encyclical is about artificial intelligence. The ethics of AI is not a question solely for engineers, investors, governments or Silicon Valley. It is a question for all of us about the human person.…