Pope Leo has presented the first major teaching document of his papacy, warning that artificial intelligence needs to be "disarmed". "The word is strong, I know, but deliberately chosen because this moment needs words capable of attracting attention," the Pope said. Encyclicals are technically letters to Catholic bishops, but over recent decades the missives have become messages to the world from a Pope. While this letter was largely focused on AI, Pope Leo also included one of the strongest,