Are the Russians truly committed to doping-free sport?

The Russian Ski Assn. -- and, by extension, all of Russian Olympic sports -- is under significant scrutiny because numerous Russian athletes have been caught doping. With the next Winter Games in 2014 in Sochi, the Russians have been making a big show of being committed to competing doping-free.  Yet this report from raises significant questions about whether, in fact, it's just a show -- whether the Russians truly are committed to clean sport or they have now found an end-around the rules.