Olympic Doping Ban Overturned For 28 Russian Athletes

(CNN) — Doping bans on 28 Russian athletes were overturned on Thursday, throwing the International Olympic Committee’s policy on Russian doping into chaos just over a week before the start of the Winter Olympics in South Korea.
The Swiss-based Court of Arbitration for Sport (CAS) upheld the appeals of athletes given lifetime Olympic bans for doping violations during the 2014 Sochi Winter Games, saying there was insufficient evidence to show they had broken the rules.
The ruling means