How Justin Trudeau lost his shine

Canadian Prime Minister Justin Trudeau has resigned from office after nine years in power. Despite his immense popularity when he was elected, in recent years he’s faced increased criticism from the public, with polls showing he was on track to lose badly when Canadians vote later this year. Now he’s bowed to pressure from his own party to step down. But what's behind the downfall of the former darling of Canadian politics? Featured: Lori Turnbull, Political analyst and Professor of Political Science at Dalhousie University in Canada