
By Pritha Sarkar LONDON (Reuters) - Gymnastics superstar Nadia Comaneci called for "drastic changes" at USA Gymnastics, which has been rocked by a scandal involving its longtime doctor who has been convicted of sexually abusing young athletes. Olympic champions like Simone Biles and Aly Raisman

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Russia was banned from the upcoming Winter Olympic games following a widespread doping scandal at the 2014 Sochi games. But now the International Olympic Committee (IOC) says athletes who prove they are clean can compete as neutrals at February's Winter Olympics in Pyeongchang.