Bigger unknowns now hang over the former Bank of Canada and Bank of England governor: can he save the Liberal party from electoral annihilation, and can he negotiate a trade truce with Donald Trump? Polls show the Liberals narrowing the gap with the opposition Conservatives to 8 points with Carney at the helm.

The governing Liberal Party of Canada elects former central banker Mark Carney its leader. He'll face President Trump's trade war and annexation threat, and a federal election.

The former Goldman Sachs executive won the Liberal Party primary on Sunday and will be appointed Canada's next prime minister following the resignation of Justin Trudeau.

Canada’s Liberal Party on Sunday elected Mark Carney as the party’s new leader after a high-stakes race to replace Prime Minister Justin Trudeau. NBC News’ Molly Hunter has the latest.

Mark Carney won the race to become Canada’s next prime minister, putting the former central banker in charge of the country just as US President Donald Trump’s administration threatens its economic future.

Carney, 59, a political novice, will take over at a tumultuous time in Canada, which is in the midst of a trade war with the United States.

The former central banker will become the next PM, and many Canadians see him as the best hope in the Trump era.

As Trump's trade war looms over Canada, the ruling Liberal Party has chosen veteran economist Mark Carney to replace Justin Trudeau.

Canada's Liberal Party has selected banking executive Mark Carney as its new leader, who will take over from Prime Minister Justin Trudeau and handle trade and tariff talks with President Donald Trump at least until Canada's next general election later this year.

Former central banker Mark Carney won the race to become leader of Canada's ruling Liberal Party and will succeed Justin Trudeau as prime minister, official results showed on Sunday. Carney will take over at a tumultuous time in Canada,