Following the release of a video showing a third instance of Justin Trudeau dressed up in blackface, Canada’s prime minister apologised for how his “racist” behaviour had “hurt people who shouldn’t have to face intolerance and discrimination because of their identity.”

The question is how much damage the blackface scandal has done to his Liberal Party’s bid for reelection on October 21, and whether Mr Trudeau’s carefully-crafted brand of progressivism on the world stage has been forever tarnished.