09/08/2013 02:46 EDT
11/08/2013 05:12 EST
Mayor Nenshi, Ezra Levant in Twitter tiff over Pembina contract
Calgary's Mayor Nenshi and Sun News personality Ezra Levant sparred on Twitter Sunday morning over questions related to a contract the city has with the Pembina Institute.
- City contract with Pembina Institute improper, tax group says