A Russian court has overturned the verdict of an aerospace scientist who was sentenced to 12 years in prison on charges of treason linked to his participation in a multinational high-speed flight project, state-run RIA Novosti reported on Wednesday. Valery Golubkin, 72, a professor at the Moscow Institute of Physics and Technology, was arrested in April 2021 on suspicion of passing state secrets to a NATO member country. In June 2023, Golubkin was found guilty of high treason and handed a 12-year sentence in a maximum-security penal colony. Golubkin’s treason case surrounds claims that, togeth…