Next WADA chief Banka eyes big challenges ahead

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The fight against doping in sport will soon be led by a man from Poland: Witold Banka will become the new president of the World Anti-Doping Agency or WADA in January. His most pressing concern will be the Russian doping scandal, which has severely damaged WADA's reputation. Now in an exclusive interview, Witold Banka gives DW his thoughts on the challenges that lie ahead.