Michigan Gov. Gretchen Whitmer said that the Canadian government needs to work toward opening traffic on a key U.S.-Canada bridge that has been blocked by protesters. “The blockade is having a significant impact on Michigan’s working families who are just trying to do their jobs. Our communities and automotive, manufacturing, and agriculture businesses are feeling the effects. It’s hitting paychecks and production lines. That is unacceptable,” the Democrat governor said in a statement Thursday. “It is imperative that Canadian local, provincial, and national governments de-escalate this economic blockade,” she added, without suggesting how. “They must take all necessary and appropriate steps to immediately and safely reopen traffic so we can continue growing our economy, supporting good-paying jobs, and lowering costs for families.” In recent days, protesters led by Canadian truckers have amassed on the bridge that connects Detroit, Michigan, to Windsor, Ontario. Like the protesters who gathered in Ottawa and …