Conspiracyland's "The Strange Story of Havana Syndrome," hosted by Yahoo News chief investigative correspondent Michael Isikoff, is an investigation into the baffling medical ailments-- headaches, dizziness, extreme fatigue and even brain injuries-- that have been reported by over 1,100 American diplomats and spies in recent years, confounding the U.S. intelligence and diplomatic communities. These symptoms are commonly known as Havana Syndrome because they were first surfaced in Cuba more than five years ago though they have long since been reported all over the world. But what...