A Ukrainian athlete is facing potential disciplinary action over his determination to wear a helmet commemorating athletes killed in the war with Russia when he competes in the Olympics—despite the International Olympic Committee (IOC) barring him from doing so. Skeleton racer Vladyslav Heraskevych, who served as Ukraine’s flag-bearer during the opening ceremony of the Winter Games, has continued to wear what he calls his “remembrance helmet” in training after the IOC ruled it a violation of