In a sport where a single mistake can sink medal hopes, Japanese gymnast Shinnosuke Oka excelled at the Paris Olympics by holding steady as his competition faltered.The Olympic debutant announced himself as the new star of men's gymnastics in Paris by finishing with four medals -- three gold and one bronze -- and becoming the first man to win gold in all-around, team, and on an apparatus in 32 years.While Japan battled China for men's team gold as expected, the 20-year-old Oka did not go into any of his individual events at Bercy Arena as the favorite.Compatriot Daiki Hashimoto was initiall…READ FULL ARTICLE