On verge of worst Winter Olympics medal haul, Americans finish strong

United States athletes walk in the stadium during the closing ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Sunday, Feb. 25, 2018. (AP Photo/Natacha Pisarenko)

PYEONGCHANG, South Korea — A hard look settled over John Shuster’s face, equal parts concentration and grit, as if he could move that 40-pound rock with his eyes.