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OTTAWA — Prime Minister Mark Carney said Friday morning that he’d continue working with Alberta on shared economic goals , with a referendum relating to the province’s future in Canada now officially set for the fall. “Canada is the greatest country in the world, but it can be better. And we’re working on making it better. We’re working with Alberta on making it better,” Carney told reporters in Ottawa. Carney touted progress on the Canada-Alberta memorandum of understanding on energy development, including last week’s agreement on the industrial carbon tax and the construction of a...