As the hometown paper of Nortel’s research hub, you’d expect the Ottawa Citizen to have at least one reporter nursing a healthy journalistic obsession with the troubled telecom giant. And it does: James Bagnall. In this analysis piece, the veteran business columnist explores the danger of Canada losing its signature tech corporate brand. The best part is his look at Nortel’s successor in that role, BlackBerry-maker Research in Motion. Turns out that RIM’s revenues topped Nortel’s for the first time last quarter. And so it goes.