Anti-doping control bodies are themselves in need of control.
Anti-doping laboratories have historically worked well, but the anti-doping organisations themselves lack oversight.
French riot police move in to arrest Russian fans after violence broke out between supporters ahead of the England vs Russia match in Marseille, France in 2016.
Niall Carson/PA Archive/PA Images
The Russian people need to show the world a different side to the scandal-struck country when the World Cup kicks off.
Emil Jeyaratnam/The Conversation; AAP images
Scandal-plagued FIFA says it's committed to reform. Changing the way World Cup hosts are selected would be a start.
Russian curler Aleksandr Krushelnitckii faces being stripped of his bronze medal from Pyeongchang.
Athletes have, on occasion, mounted successful defences of sabotage in doping cases.
Alexander Tretyakov, one of the Russian athletes whose lifetime ban was overturned in January.
The politics of Russia's Olympic doping ban.
The Olympic Truce Mural in the athletes’ village in Pyeongchang shows just how infused the Games are with politics.
In these Olympics more than most, there is less global attention on the medal count than on who will win the politics.
Certain Russian athletes will be allowed to compete in Pyeongchang under the banner of ‘Olympic Athletes from Russia’.
Doping scandals have dominated the build-up to the 2018 Pyeongchang Olympics.
North Korean cheerleaders holding the unified Korea flag during the Summer Universiade 2003 in South Korea.
EPA-EFE/YONHAP SOUTH KOREA OUT
A delicate truce between North and South Korea has been reached in the run up to the Winter Olympics. It's a high profile win for an event which is struggling to remain relevant.
The Russian flag will not fly at the 2018 Winter Olympics in South Korea.
The ban on Russia competing in the 2018 Winter Olympics is unique: it is directly linked to the country’s lack of sporting integrity.
Inspiration or rebuke?
Paralympians are being hailed as inspirational. This doesn't please everyone.
Athletes seek to gain competitive advantages in lots of different ways and many of these are not banned.
Doping simply gives athletes an advantage that can be compared to other forms of training regimes. So why the moral outrage?
There’s little justification for a blanket ban; all Russian Olympic athletes did not collectively commit a wrong.
The IOC will allow Russian athletes to compete in Rio 2016 if they've been cleared by their respective international sporting federation of doping. Should other countries pull out of the games?
Do PEDs make athletes less human?
'Cyborg' via www.shutterstock.com
As technology becomes fully integrated into our everyday lives, we may see athletes as the last vestiges of our humanity.
The scandal of systematic doping orchestrated by Russian government agencies and the Russian anti-doping body (RUSADA), involving the disposal of thousands of biological samples or their replacement with…
Higher, faster, stronger.
Only a better understanding of what drives doping can improve enforcement. To do so, we must break with the perception of doping as an individual or moral problem.
It’s grossly unfair to hold Russian athletes responsible for the mistakes of regulatory authorities.
The International Olympic Committee will allow Russians wanting to compete in the Rio 2016 Olympics the chance to do so if they can prove they're clean to their sports federation.