Japan's Shinnosuke Oka emerged as a new star of gymnastics Wednesday by winning a Paris Olympic men's all-around competition in which compatriot Daiki Hashimoto had borne the weight of expectation.Hashimoto, who at 19 became the youngest winner of the event three years ago in Tokyo, was trying to follow in the footsteps of Japanese great Kohei Uchimura by winning back-to-back Olympic titles.But the reigning world champion, who had been hampered by a broken finger ahead of the games, made uncharacteristic errors that took him out of the running at Bercy Arena.Chinese star Zhang Boheng, the s…READ FULL ARTICLE