By Mike Collett-White SOCHI, Russia Tue Feb 11, 2014 3:27pm EST (Reuters) – American snowboarder Shaun White, one of biggest draws at the Winter Olympics and favorite to win his third straight halfpipe title, bowed out without a medal on Tuesday in the biggest upset of the Games so far. The 27-year-old was criticized for withdrawing from the slopestyle event to avoid risk of injury and the strategy backfired when Switzerland’s Iouri Podladtchikov was comfortably […]