Mark Carney is doubling down on Canada’s push for greater economic independence as Ottawa resists U.S. trade demands and deepens ties with Europe.Canada suspended earlier negotiations with Washington after concluding that proposed U.S. terms went too far and were not in Canada’s national interest. The Canadian government said it would not accept a deal that undermined workers, businesses, strategic industries or sovereignty.At his latest press conference, Carney revealed that sovereignty itself had become a sticking point in talks with the United States.