Sports commentator Christine Brennan is in Rio for the Summer Olympics, where she’s noticed a big change in attitudes about doping among athletes and the media.

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Source:: http://www.npr.org/2016/08/10/489433671/40-years-after-east-germany-s-olympic-doping-scandal-u-s-swimmer-calls-out-russi?utm_medium=RSS&utm_campaign=sports