19 Winter Olympic storylines we're watching (they're not just about sports)

The un-retirement of Alpine skier Lindsey Vonn, Olympic debut of NHL players including like Connor Hellebuyck and return of halfpipe snowboarder Chloe Kim are among some of the biggest storylines at these Winter Games.

The Winter Olympics promise plenty of high adrenaline, fierce competition, historic firsts and emotional moments over 2 1/2 weeks. Here are some of the names and narratives to keep an eye on.