returned to international competition without undermining the confidence of their competitors and d d thpublicreporter: the iaaf band athletes -- banned athletes from international competition last year. this came after reports of doping. an independent investigation panel has concluded that not enough has changed for the athletes to be reinstated. >> because the system in russia has been tainted by doping from the top level and down, we cannot trust that what we call, and people might call, reforms are really working. reporter: the iaaf stresses that some training outside of the system may be able to compete. they would have to do some as neutral athletes and not under the russian flag. host: there has been a lot of talk on social media about the van. -- ban. a former hurdler said that this was appropriate, saying that russia is a major nation, this has not happened lately and other nations are not far from banning as well. and another user, how happy am i to hear that russia was banned from the olympics. some other users say that they are being singled out and one person wrote, i feel like r