Dr. Serkan Gölge, a NASA scientist who was sentenced to seven years, six months in prison in February due to his alleged links to the Gülen movement, has said he has been unlawfully kept behind bars for two years, which he says shows he is being held hostage by the Turkish government, the t24 news website reported on Tuesday. A dual citizen of the US and Turkey, Gölge, 38, was detained as part of an investigation into the Gülen movement, which the government accuses of masterminding a coup attempt on July 15, 2016, on July 23, 2016. He was arrested...