Mark Carney may have been crowned leader of the Liberal party by casting himself as a political outsider, but his skills as a politician need work, say some of his supporters. Carney walked into an Ottawa convention centre Sunday as the presumed front-runner of the four candidates who were vying to replace Justin Trudeau as leader and prime minister.

OTTAWA—Mark Carney won the leadership of Canada’s Liberal Party on Sunday, putting him in line to replace Prime Minister Justin Trudeau and call an election that suddenly seems winnable for the country’s center left.