Full headline: Before he was overthrown and killed, Libyan dictator Muammar Gaddafi warned jihadists would conquer northern Africa During the dying days of his four decade rule, Libyan dictator Muammar Gaddafi cast an ominous prophecy. If his regime fell, jihadists would subjugate northern Africa, inflicting widespread violence and terror. “Al-Qaeda considers all the people to be infidels,” Mr. Gaddafi declared in a speech weeks before NATO began its military intervention in Libya. “They deem all people their enemies. They know nothing but killing.” The Islamists would pour in from Afghanistan, Algeria, and Egypt, he warned, saying, “These are beasts with...