Poilievre tells Carney in letter to not concede to U.S. demands in tariff talksBy Canadian Press on August 9, 2026. Conservative Leader Pierre Poilievre, left, and Liberal Leader Mark Carney participate in the English-language federal leaders' debate in Montreal, Thursday, April 17, 2025. THE CANADIAN PRESS/Christopher Katsarov Conservative Leader Pierre Poilievre, left, and Liberal Leader Mark Carney participate in the English-language federal leaders' debate in Montreal, Thursday, April 17, 2025. THE CANADIAN PRESS/Christopher KatsarovShare this story:OTTAWA — Conservative Leader Pierre Poilievre is asking the prime minister to not concede to U.S. President Donald Trump’s demands during trade negotiations. Poilievre says in a letter to Mark Carney that Ottawa has given in to several of Trump’s demands in the last year, including getting rid of the digital service tax and removing counter-tariffs on the United States.