Winter Olympics: More stars of Team USA

Savannah Sellers introduces you to the need-to-watch U.S. athletes as the Winter Olympics heads into the second week of competition -- from "Quad God" Ilia Malinin to speedskater Erin Jackson, plus viewers will go on a tour of Cortina. For more context and news coverage of the most important stories of our day, click here: https://www.nbcnews.com » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Subscribe to Here's the Scoop podcast: https://www.nbcnews.com/heres-the-scoop-daily-podcast Every day, ...