In this episode of ON CITIES, Joel Kotkin provides a wide-ranging survey on the evolution of urban life, addressing the timeless question of what makes a great city? Described by the New York Times as "America's uber-geographer", Kotkin explores the factors that drive changes in urban form, from the rise of suburbs to the emergence of new urban centers, and how demographic shifts and technological advancements will shape the future of our built environment. The conversation will delve into the challenges facing many cities today including affordable housing, economic inequality, climate change and the role of urban governance in addressing these issues. Tune in to hear Kotkin's provocative insights that will surely spark new ways of analyzing the world around you. This episode airs Friday, March 31st at 11:00 AM EST, 8:00 AM PST on the Voice America Variety channel.