Olympic medalist Ryan Murphy: There’s not enough being done to fight doping in swimming

American backstroke Olympian Ryan Murphy told CNBC’s “The News with Shepard Smith” that doping remains a huge problem in the sport, and that there’s not enough being done to combat it.  “In the U.S. you can see exactly how many times myself or any of my teammates have been drug tested, and it’s not like that in other countries,” said Murphy. “We simply have no idea what they are or are not doing in terms of fighting doping.” In Tokyo, Murphy won a gold medal in the 4×100 medley relay,…

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