Chizuru Arai defended her title at the judo world championships on Monday, becoming the first Japanese woman in 15 years to win back-to-back titles in the 70-kilogram division.Arai defeated Tbilisi Grand Prix winner Marie Eve Gahie of France in 90 seconds in the final at National Gymnastics Arena, finishing off with a tate-shiho-gatame hold-down to give Japan its fifth gold medal of the eight-day competition.Arai had a tough road to the title, claiming a yusei victory over three-time world champion and Rio Olympic silver medalist Yuri Alvear of Columbia in the quarterfinal and recording an …READ FULL ARTICLE