This week, Justin Trudeau said he would step down as prime minister of Canada — a stunning downfall for a man who was once seen as a global icon of progressive politics.

Matina Stevis-Gridneff, the Canada bureau chief for The New York Times, explains the forces that led to Trudeau’s collapse, and discusses the populist leader who could replace him.

Guest: Matina Stevis-Gridneff, the Canada bureau chief for The New York Times.

Background reading: 

• A timeline of Justin Trudeau’s rise and fall.
• Here are four possible contenders to succeed Mr. Trudeau.

For more information on today’s episode, visit nytimes.com/thedaily. Transcripts of each episode will be made available by the next workday. 

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