Canada's Prime Minister Mark Carney speaks during a news conference at Rideau Hall for after a swearing in ceremony on March 14, 2025 in Ottawa. Carney was sworn in as Canada's prime minister, taking charge of a country rattled by a breakdown in US relations since President Donald Trump's return to power.

Ex-central banker Mark Carney was sworn in as prime minister of Canada on Friday (March 14) and immediately said he could work with U.S. President Donald Trump, who is promising tariffs that could devastate the Canadian economy.

Monday might be the last St. Patrick's Day that Mark Carney can truly claim to be Irish, as Canada's newly sworn-in prime minister moves to renounce both his Irish and U.K. citizenships.

Trump’s return was widely seen as a harbinger of a second populist wave that would oust establishment figures all over the west. But a backlash against “America First” mayhem has lifted leaders seeking to operate in the political middle,