Snowboarding: Ayumu Hirano, Sara Shimizu lead Japan halfpipe medal rush
COPPER MOUNTAIN, Colorado (Kyodo) -- Olympic champion Ayumu Hirano claimed men's halfpipe gold and his 15-year-old compatriot Sara Shimizu won the wom
Tomas Kauer - News Moderator 
COPPER MOUNTAIN, Colorado (Kyodo) -- Olympic champion Ayumu Hirano claimed men's halfpipe gold and his 15-year-old compatriot Sara Shimizu won the wom
