Pierre Poilievre is heading across the border to the United States with backing from the Prime Minister's Office. The trip unfolds as the dispute heats up.
President Donald Trump is broadening the response against Canada. Canada's counter-tariffs on U.S. goods are being applied right away.
Trump says Canada is dying to make a trade deal in his latest remarks. Prime Minister Mark Carney has updated the review process for major energy projects.
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 no real escalation rather than a sharp turn. Some question Canada's strategy while the trade fight continues.
American late-night television hosts made fun of him over the dispute.