these. big question here, the adults in valieva's life, who made this decision to give the 15-year-old this drug? is it her decision or the adults? that's one of the things that all of the governing bodies are looking at. >> the idea has a history of use in the soviet army, just remarkable. christine brennan, great to have you on the story. well, more uplifting olympic news, the u.s. has added two more gold medals to its tally at the beijing winter games. figure skater nathan chen can finally say he is an olympic champion after a dominant performance in men's figure skating. the 22-year-old won gold in the men's single skating competition giving a flawless performance to elton john's rocket man. the win avenges his fifth place finish in the 2018 winter games. >> i think he stuck four quadruples. it is amazing. also snowboarder chloe kim snagged the halfpipe gold medal after pulling far into the lead on her very first run. it is the 21-year-old's second