Russian biathlon champion in doping scandal retires
By NATALIYA VASILYEVA, Associated Press MOSCOW (AP) — Anton Shipulin, a world biathlon champion at the heart of Russia's doping scandal, announced his retirement on Tuesday. Shipulin, 31, told a news conference in Moscow that he decided to retire after he was barred from the Winter Olympics earlier this year. He is one of scores of Russian athletes banned from