Rules on testosterone levels for women athletes have kept star runner Caster Semenya out of the Tokyo Olympics. At the heart of this heated debate: Who should be considered a woman in sport?
Controversy Over Caster Semenya Competing in the 2016 Olympics
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Runner Caster Semenya says she's not done fighting for the right to compete
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Olympic champion Caster Semenya's critics couch misogynoir in the
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Runner Caster Semenya says she's not done fighting for the right
Namibian sprinters Christine Mboma and Beatrice Masilingi banned
Caster Semenya controversy 2016 Rio Olympics - Sports Illustrated
Caster Semenya - The Telegraph