OTTAWA – Cable and satellite companies can now advertise their Internet and voice offerings on CNN, A&E, SpikeTV and other American cable channels, the CRTC has ruled. The American channels make two minutes per hour available for local ad sales – which is a multi-billion-dollar business for U.S. MSOs. However, Canadian cable companies are not allowed, by regulation, to sell the time here. Seventy-five percent of the time has to be given – at cost – to Canadian broadcasters, while 25% of the time could be used to promote cable's video offerings – meaning the cablecos could not advertise their...