Japanese Olympic Committee chief Tsunekazu Takeda officially stepped down from his post Thursday amid an ongoing bribery investigation, and 1984 Olympic judo gold medalist Yasuhiro Yamashita was named his immediate successor.The inconveniently-timed power transfer took place at an extraordinary meeting of the JOC's board of directors in Tokyo as the Japanese capital readies to host the 2020 Summer Games in a little over a year's time.Takeda -- the JOC's longest-serving president -- was expected to be re-elected when his 10th term ended this month, but an ongoing investigation in France and …READ FULL ARTICLE