Is CBC required to share sensitive and competitive information, Maclean's asks?

Maclean's magazine's Quebec bureau chief Martin Patriquin this week chronicles the siege being laid on the CBC by Michel Drapeau, a fervent and frequent user of Access to Information act and how his campaign may be fuelling a feud between Quebecor and the CBC. The story reports that Drapeau -- a lawyer and retired colonel -- has filed nearly 800 ATI requests with the CBC since the fall of 2007