Japan's Uta Abe won her first judo world championships gold medal on Friday, while her brother Hifumi defended his men's 66-kilogram title.Abe beat compatriot and defending champion Ai Shishime in the women's 52-kg final. Abe won all five of her matches at the National Gymnastics Arena by ippon."I haven't been this happy all year," Abe said. "It wasn't different from any other international meet."At 18 years and two months, she became the second-youngest Japanese woman to win a world championship, following two-time Olympic champion Ryoko Tamura, who won the 48-kg class in 1993 when she was…READ FULL ARTICLE