By Saskia Karges Walking through Toronto last autumn, I found the presence of Tim Hortons to be the most striking feature of the urban landscape. It felt as though I was never more than a ten-minute walk from the next branch. If you are looking for coffee there, you don’t need a map: simply follow the continuous chain of people carrying those iconic cups like a colony of ants fanning out from a nest. During our trip, we became part of this cycle…