Traditional forms of tobacco advertising are banned in Canada, and likely to stay that way after a landmark ruling last December from the Quebec Superior Court dismissing a constitutional challenge from the cigarette companies. However, extensive rows of cigarette packages, in quantities far greater than are necessary to supply consumers, are still a big part of the tobacco industry’s marketing plan. Commonly called “power walls”, these rows of tobacco products are found in stores across Canada and in many other countries. These displays are in …