It’ll be a cold day in … well, you know where before this happens in the U.S.  Or will it? Following closely on the heels of Norway, Canada’s public broadcasting service is adopting DRM-free BitTorrent distribution for a major prime-time show.On March 24, CBC will use BitTorrent to distribute this year’s broadcast of Canada’s Next Great Prime Minister. This will make Canada the first country in North America to release high-quality, DRM-free copies of a prime-time show using the popular P2P file-sharing