The Ambassador Bridge, the busiest land crossing between the U.S. and Canada, has been reopened after police cleared blocked vehicles. The bridge, which handed 18.9% of U.S. imports from Canada in 2021 was closed for 7 days as a result of protests, potentially displacing $1.29 billion dollars in goods directly, and likely many more indirectly. The top products imported over the bridge serve one of the main industries in the Detroit area, automotive, accounting for 35.0% of Q4 imports over that span. Other products are more evenly distributed with machinery being the second highest import...