Oksana Osipova, vice-president of United Help Ukraine, addresses the demonstration held in remembrance of the late Borys Nemtsov. WASHINGTON – On Sunday, February 26, United Help Ukraine Vice-President Oksana Osipova joined with U.S.-Ukraine Foundation President Nadia McConnell and representatives of Russian, Belarusian, Baltic and American organizations and addressed the group of people that gathered across...