Chen closing in on gold, US curlers begin title defense

Nathan Chen has been building toward this for years

BEIJING -- Nathan Chen has been building toward this for years. He's one good free skate away from Olympic gold.

After setting a world record with his short program, Chen goes for an Olympic title Wednesday night live in prime time. That could be a big day for the United States, with Chloe Kim also expected to contend for a snowboarding gold medal.

Here are some things to watch (all times Eastern):

FIGURE SKATING