Quillette Senior Editor Jonathan Kay reflects on his time ghostwriting Justin Trudeau’s memoir and shares his take on Trudeau’s political trajectory—from golden boy to polariser-in-chief. In his case, there was a lot to explain because his dad, Pierre Trudeau, was a former Prime Minister. They wanted someone who could push back during the editorial process, which I did because they wanted the book to appeal to a mainstream audience—not just Trudeau enthusiasts.