https://i.cbc.ca/ais/b815aab9-81ea-4031-826d-f265a78f0c50,1784922559818/full/max/0/default.jpg?im=Crop%2Crect%3D%28232%2C47%2C2871%2C1614%29%3BResize%3D%28620%29" title="WASHINGTON, DC - JULY 24: U.S. President Donald Trump makes an announcement on American nuclear innovation in the Oval Office at the White House on July 24, 2026 in Washington, DC. Trump is signing multiple executive orders targeting the nuclear energy sector and easing rules for new reactors and nuclear fuel supply chains. (Photo by Eric Lee/Getty Images)" width="620" />
U.S. President Donald Trump on Friday vowed tariffs on Canada in retaliation for smoke from wildfires that has drifted into the United States.