Pierre Poilievre is heading across the border to the United States with backing from the Prime Minister's Office. The trip comes as tensions rise.
President Donald Trump is escalating retaliation against Canada. Canada's counter-tariffs on U.S. goods have officially taken effect.
Trump says Canada is eager to settle a trade deal in his latest remarks. Prime Minister Mark Carney is updating the approval process for large-scale energy developments.
U.S. envoy Jamieson Greer lays the blame at Canada for the American response. Economists see modest fallout from the tariffs.
One economist calls it not an escalation rather than a sharp turn. Some wonder about the overall plan as the dispute drags on.
American late-night television hosts mocked him over the dispute.