Canadians voice frustration over U.S. border closure extension Hillman appeared today alongside U.S. interim ambassador Arnold Chacon for a panel discussion on the bilateral relationship hosted by the Wilson Center’s Canada Institute.The comments are their first public remarks since Canada promised to begin letting fully vaccinated U.S.
citizens and permanent residents back across the border as of Aug. 9.The U.S. Department of Homeland Security, however, extended its own restrictions at the land border with Canada until Aug.