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Russian opposition leader Alexei Navalny speaks in his office in Moscow, Russia, Thursday, May 11, 2017. Russian opposition leader Alexei Navalny says that he has undergone eye surgery in Spain after being attacked last month. Navalny suffered a severe chemical burn in his right eye last month when an attacker doused him with green antiseptic. The word on the blackboard reads 'Navalny'. (Evgeny Feldman/Pool Photo via AP)