The CIA has removed its top officer in Vienna following criticism of his management, including what some considered an insufficient response to a growing number of mysterious health incidents at the U.S. Embassy there, according to current and former U.S. officials.... The sidelining of the station chief in one of the largest and most prestigious CIA posts is expected to send a message that top agency leaders must take seriously any reports of “Havana Syndrome,” the phenomenon named after the Cuban capital where U.S. diplomats and intelligence officers had first reported unusual and varied symptoms, from headaches to vision problems...