By GREG BEACHAMAugust 4, 2021 GMT A child sits in the Olympic rings on display outside the Olympic Stadium where the athletic events are underway at the 2020 Summer Olympics, Tuesday, Aug. 3, 2021, in Tokyo. (AP Photo/David Goldman) A child sits in the Olympic rings on display outside the Olympic Stadium where the athletic events are underway at the 2020 Summer Olympics, Tuesday, Aug. 3, 2021, in Tokyo. (AP Photo/David Goldman) TOKYO (AP) — The history of karate’s journey to the Olympics would make a pretty good backstory for a martial arts movie. Generations of determined athletes have collectively spent half a century training, studying and working toward their goal, overcoming setbacks and patiently honing their martial art for the big moment.