ATHENS Greece 's parliament voted on Thursday to investigate a former transport minister over the country's worst rail tragedy that left 57 dead in 2023. Government lawmakers approved the probe into the actions of Kostas Karamanlis , who has welcomed the investigation as an opportunity to clear his name. Fifty-seven people, most of them young students, were killed in February 2023 when a passenger train and a freight train collided in Tempe, central Greece, having been allowed to run on the