At halfpipe, neither US-born Olympic favorite competes for America. Eileen Gu takes the heat

LIVIGNO, Italy (AP) — The two best bets to win the gold medal in women’s halfpipe skiing at the Winter Olympics were born in the United States.

Zoe Atkin competes for Britain and hardly anyone raises a fuss about it.

Eileen Gu competes for China and never hears the end of it.

Stories of athletes who lived in one country then decided to compete for another are nothing new to international sports. Throw some Olympic rings on it, then add a high-profile athlete enjoying tremendous success the way Gu has...