Chrystia Freeland, the former deputy prime minister, sought to distance herself from Mr. Trudeau in a public letter criticizing him for “costly political gimmicks.”

Chrystia Freeland blew up the career of her top political ally, Justin Trudeau. Now, she is taking on an old friend, the former central banker Mark Carney.

When Prime Minister Justin Trudeau was elected in 2015, he promised sunny ways and "a real change." Over the last nine years, there's no doubt his government has focused on fighting climate change, advancing Indigenous reconciliation and lifting some Canadians out of poverty.