2018 Olympic stars, newcomers and comebacks to watch for

Aired: 2/7/2018 | 0:08:42 | Clip
The Winter Olympics in Pyeongchang, South Korea, come at a particularly tense moment in the region. But there's also a lot of excitement around the Games themselves. John Yang talks to Christine Brennan of USA Today about what and who to watch, the Russian doping scandal and how one athlete has spoken out against Vice President Mike Pence leading the American delegation.