FILE - In this Sunday, Feb. 23 2014 file photo, Russia's gold medal winner Alexander Legkov kisses his medal during the medals ceremony for the men's 50-kilometer cross-country race during the closing ceremony of the 2014 Winter Olympics, in Sochi, Russia. Three Russian Olympic medalists have appeal hearings in doping cases at the Court of Arbitration for Sport this month. Sochi Olympic medalists Alexander Legkov is appealing against provisional suspensions by skiing's governing body. (AP Photo/Charlie Riedel, File)
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