Column: Shani Davis: Brilliant career, complicated legacy

Shani Davis if the U.S. rides warm-up laps prior to the men’s 1,500 meters speedskating race at the Gangneung Oval at the 2018 Winter Olympics in Gangneung, South Korea, Tuesday, Feb. 13, 2018. (AP Photo/John Locher)

GANGNEUNG, South Korea — Shani Davis labored across the line, gulping for air, a shell of what he once was in a clapskate.