TORONTO – While revenues shot up 8%, the return of the National Hockey League and the telecast production costs from TSN meant operating income at Bell Globemedia in the second quarter of this year suffered in comparison to the NHL-free 2005. Bell Globemedia (owners of TSN, CTV, Animal Planet, Discovery, The Globe and Mail and other assets) revenues for the quarter, ended June 30th were $431 million. Operating income decreased by 17.9% to $78 million, however. For the full six months, Bell Globemedia's revenues grew 9.3% to $825 million. BGM's revenue growth reflected higher television and print advertising sales and...