Tennis is facing an existential crisis over doping. How will it respond?
Two stars have tested positive for banned substances in the past year, raising questions about the fairness, transparency and accountability of the testing system.
https://theconversation.com/tennis-is-facing-an-existential-crisis-over-doping-how-will-it-respond-244516
#doping #cleansport #antidoping #datajournalism