performance in the team event. and now we know that russia knew. russia knew she failed a drug test. russia superstar figure skater, 15-year-old kamila valieva, competed in the team event even though she had failed a drug test taken in november. this is all clear now. they've named names. valieva led the russian figure skating team to the gold medal. but the medal ceremony is on hold. the russian olympic committee is fighting for valieva to remain in the competition and keeps what it calls her honestly won gold medal, saying she repeatedly passed doping tests while in beijing. her right to keep skating in the games is spwaoeg challenged by the international olympic committee. selina wang is in beijing with our top story.