RIO DE JANEIRO -- In another Chinese duel, Ding Ning ended up with Olympic gold.Ding beat teammate Li Xiaoxia in the womens table tennis final on Wednesday, reversing the result from four years ago.When the 26-year-old Ding lost to Li in the final at the 2012 London Games, she broke down in tears. In Rio de Janeiro, there were tears again as she dropped to her knees in celebration.The tense match, which came down to a deciding seventh game, was filled with long rallies, lighting quick smashes, looping topspin forehands and stretching defensive saves -- all signs that these two players have spent many, many hours playing together over the years.After nearly every point, the winner raised her fist, let out a sharp yell and stalked away from the table. Ding, a lefthander, relied on a crouching, tomahawk-style serve. Li often fanned herself with her bat while awaiting serve.The rivals went back and forth over the first three games, the medal podium standing in shadows next to their spotlighted table.Ding, the reigning world champion, took the first game. Li bounced back in the second, and Ding won the third. Li then pulled away, winning the next two games to put herself on the brink of another Olympic win. But Ding played herself back into it by winning the sixth game.In the decider, Ding made fewer errors than Li, who several times missed the table with her forehand at crucial points.Chinese women have won every gold singles medal since table tennis became an Olympic sport in 1988.Before the Rio de Janeiro Games, China had won all but four of the table tennis gold medals at the Olympics. The country took all the golds at the past two games, and it has made a good start to doing it again in Rio. Each nation is only allowed two players in singles.Earlier Wednesday, Kim Song I of North Korea won a bronze medal by beating veteran Ai Fukuhara of Japan.Kims victory capped a surprising run through the tournament. The chopper, or defensive specialist, repeatedly took down higher-ranked opponents.Kim lost to Ding on Wednesday morning before a small but loud North Korean cheering section, which included Choe Ryong Hae, a top lieutenant of North Korean leader Kim Jong Un.On the mens side, London champion Zhang Jike, whose name was inspired by Brazilian soccer great Zico, will face Vladimir Samsonov of Belarus in the semifinals on Thursday. Top-ranked Ma Long of China will play Jun Mizutani of Japan.The mens final is also on Thursday. Nike Air Max Plus Sale . As he recorded his 23rd and 24th points of the evening, a segment of the sellout Air Canada Centre crowd expressed their appreciation for the Raptors point guard with a smattering of MVP chants. 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Durant finished with 24 points and 13 rebounds, Jackson matched his career high with 23 points on 10-of-14 shooting and Lamb scored 12 points on 5-of-7 shooting, lifting the Thunder to a 94-88 win over San Antonio and snapping the Spurs 11-game winning streak. OTTAWA, Ontario -- Star Canadian pole vaulter Shawn Barber tested positive for cocaine before the Rio Olympics following a tryst with a woman he met on Craigslist.The 2015 world champion was permitted to compete in Brazil after it was determined he inadvertently ingested trace amounts of the banned substance through kissing. Barber called the positive test a complete shock.The Sport Dispute Resolution Centre of Canada made its decision Aug. 11, four days before Barber competed in Rio de Janeiro, where he finished 10th. The report wasnt released until Thursday.It was quite an ordeal going into the Olympics, but everything worked out the way it was supposed to, Barber said during a conference call.The Canadian Centre for Ethics in Sport proposed a four-year competition ban. Barber wasnt suspended but was stripped of his 2016 national title.This has been a learning experience for Shawn, Athletics Canada, the nations governing track and field body, said in a statement. He is a young athlete learning how to compete on the field of play, and prepare away from it.According to the report, Barber used cocaine July 8, the night before he won the Canadian title in Edmonton, Alberta. He had posted in the casual encounter section of Craigslist for a professional person to engage in a sexual rendezvous as a way to relieve stress. He specified he wantedd a woman who was drug- and disease-free, the report said.ddddddddddddThe woman, referred to as W in the report, testified that she consumed cocaine before she met Barber and then again in the bathroom of his hotel room. She said at his hearing he could not have known shed used the drug, and she felt horrible about what happened.The woman also said she had consumed a 26-ounce bottle of vodka that night and had four or five drinks before meeting Barber. She said he declined her offer of a drink. The two did not exchange money, the report said.Arbitrator Ross Dumoulin wrote in his decision that the encounter was a pre-meditated effort by Barber to have a sex with a stranger in a hotel room. Exercising utmost caution would require him to have made inquiries to satisfy himself that there was no cocaine involved, he added.Barber was a strong hope for a medal at the Rio Olympics after winning the 2015 world title in Beijing. But he struggled in the rainy conditions in Rio.Last fall, Barbers father, George, was banned by Athletics Canada. George Barber had acted as Shawns coach until the governing body learned of his 2007 criminal conviction on charges of having sex with a student while employed at a U.S. high school. ' ' '