sports #SportsOlympicsWinterSportsFreestyleSkiing Canada's Mackay, Sharpe reach World Cup podium in freestyle ski halfpipe CBC Sat Two Canadian skiers have landed on the World Cup podium in freestyle halfpipe. Calgary's Brendan Mackay was a silver medallist in the men's event behind victor Alex Ferreira of the United States at Copper Mountain, Colo. www.cbc.ca