Zelyonka, a brilliant green antiseptic, has somehow become the weapon of choice for attacking the Russian opposition.
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Mikhail Fishman: Who is terrorizing Russia’s opposition and why is no one being held responsible?
Russian opposition leader and chairman of the People's Freedom Party (PARNAS) Mikhail Kasyanov (C) and supporters of slain Russian opposition leader Boris Nemtsov hold flags and banners during a memorial march on Feb. 26 in central Moscow, two years after Nemtsov was gunned down just yards from the Kremlin.