Justin Trudeau: How tragedy drove a teacher to politics

Canadian Prime Minister Justin Trudeau didn’t always plan on going into politics. Though his father, Pierre Trudeau, was prime minister of Canada for 15 years, the younger Trudeau started his career as a schoolteacher. Yahoo’s international news team explains how a family tragedy changed the course of Trudeau’s life and led him to become one of the most popular politicians in Canada — and the world, for that matter.