Plus: Canada establishes a registry to track foreign influence, WestJet flight attendants’ union shares details of its new deal with the airline, Prime Minister Mark Carney suggests his government’s shutdown of plans to allow jets at a downtown Toronto airport may not be a permanent rejection, a multi-million-dollar contract is awarded to build a laboratory in Winnipeg that will prepare for future disease outbreaks, and why are ads for full body MRIs everywhere despite a lack of support for the procedure from top medical associations?