her ability to receive that gold medal and compete in the rest of the games will be held in an urgent hearing in the court of arbitration for sport. they are pushing for her suspension. cnn contributor christine brennan joins us live to discuss this controversy. just to be clear here, russia knew back in december she had failed a doping test, right? >> reporter: she took the test, jake, december 25th. so the people around her new, the adults. this 15-year-old doesn't make the decision by herself the test results only became known february 8th. that is a ridiculous length of time to not know, of course, leading to lots of questions sometime in january have they found out? have they covered it up? all kind of questions we don't know. here is another athlete who is cheating and sadly and so, of course, they had to know. >> what will be discussed in this hearing that will decide vialiyeva's fate?