
Canada plans to start turning away unvaccinated U.S. truckers at the border this weekend, a move that threatens to upend the flow of everything from food to auto parts to building supplies between two of the world’s largest trading partners.

Canada plans to start turning away unvaccinated U.S. truckers at the border this weekend, a move that threatens to upend the flow of everything from food to auto parts to building supplies between two of the world’s largest trading partners.