by Alastair Himmer Agence France Presse PYEONGCHANG, South Korea (AFP) — American teenage sensation Chloe Kim romped to Olympic snowboarding gold in the women’s halfpipe Tuesday before bursting into tears as the enormity of her achievement sunk in. The 17-year-old, who has melted the hearts of home fans in Pyeongchang thanks to her ever-ready smile and Korean heritage, justified her status as the hot favorite with an eye-popping top score of 98.25. Kim had been […]