Canada’s prime minister, Justin Trudeau, resigns. We get the latest from our editorial director, Tyler Brûlé, and correspondent in Toronto, Tomos Lewis. Also on the programme: as Ukraine’s armed forces begin a surprise offensive in the Kursk region of Russia, we ask what this means for the future of the conflict. Plus: Elon Musk’s inflammatory comments on social media platform X target UK politicians. We discuss his reasoning for getting involved. Plus: London is crowned as Europe’s most congested city. 

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