Phelps Regrets Not Winning 200-Meter Butterfly

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Aug. 5 (Bloomberg) -- Michael Phelps, the most decorated Olympian in history with 22 medals, talks with Bloomberg Television's Louise Beale about his swimming achievements, the importance of sponsorships and not winning the 200-meter butterfly at this year's Olympics. The 27-year-old American ended his Olympic career last night winning his 18th gold medal after helping the U.S. capture the 400-meter relay. (Source: Bloomberg)