The Heart of TorontoFrom the 1950s to the 1970s, downtown North America was reconfigured for the suburban age. Municipal officials planned renewal schemes, merchant groups lobbied for street improvements, developers built bigger and taller. Everywhere, attention turned to the problems and possibilities at the commercial and civic heart of cities. The Heart of Toronto follows one such example of reinvention: downtown Yonge Street. Efforts to keep pace with, or even lead,