Complicated bearers or cultural icons?

At the recent Canadian Library Association conference, a presentation was made Heather McKend a graduate student in the University of Western Ontario's Faculty of Information and Media Studies. It was called "Complicated Bearers of Cultural Difference": Canadian Magazines and Trade Policy. It is published in the proceedings of the 2006 conference and is illustrated here with a rather confusing PowerPoint slide, which seems to make the point that government cultural policy has moved from protectionism to a strategy of cultural diversity. It also points out that Canada was the first country to ratify the UNESCO convention protecting cultural diversity as a "sovereign responsibility". But I am no further ahead...