FILE - Prominent Russian opposition figure and chess champion Garry Kasparov speaks in an interview with The Associated Press at the conclusion of the fifth Vilnius Russia Forum at the Esperanza hotel in Trakai district,some 50 kms (31 miles) west of the capital Vilnius, Lithuania, Friday, May 25, 2018. Most Russian opposition figures are currently either in prison or in exile abroad. Still, many persist in challenging the Russian authorities, including by speaking out from behind bars. (AP Photo/Mindaugas Kulbis, File)