TORONTO – After adding more than 250,000 subscribers since October 2007, Sirius Canada reported Thursday it now has surpassed the 750,000 mark. "Sirius has experienced a surge of growth in the past eight months from both the automotive and retail channel," said Mark Redmond, president and CEO of Sirius Canada, which is co-owned by Sirius, CBC and the Slaight Family. "The last eight months were the strongest period of subscriber growth since launch (December 2005) and our success to-date has surpassed the expectations of the company's management and shareholders,” added Redmond. Sirius also announced that later this month it will...