Canada’s prime minister, Justin Trudeau, and his wife, Sophie Grégoire Trudeau, are separating, the couple have announced on Instagram, with a statement that appeared to mark the end of their 18-year marriage. Trudeau, 51, and Grégoire Trudeau, 48, were married in late May 2005. On Wednesday they simultaneously posted the statement on their Instagram pages, saying the decision to separate came after “many meaningful and difficult conversations”. “They have worked to ensure that all legal and ethical steps with regards to their decision to separate have been taken, and will continue to do so moving forward,” it said. The couple...