Alberta's progressive mayors Don Iveson and Naheed Nenshi are bowing out

Coming out of the COVID-19 pandemic, Canada’s big cities will be facing a number of economic challenges, and two of the biggest in the west will be doing so with fresh leadership.  Calgary and Edmonton will elect new mayors in the fall as Naheed Nenshi and Don Iveson bid farewell.  The National Post’s Alberta correspondent Tyler Dawson walks us through what both mayors will be most remembered for, how those races are shaping up, and what challenges their successors will face.