Full coverage: 2016 Rio Olympics

One of the standout athletics performance of the Rio Olympics came from distance runner Alma Ayana. The Ethiopian shattered the world record in the 10,000 meters by 14 seconds. She followed that up with a bronze in the 5,000 meters. And a little earlier, Dan Williams caught up with the African star to talk about her achievement, as well as to ask about the doping questions that have been raised by some critics in the wake of her impressive 10K showing.