Open this photo in gallery: House of Commons Speaker Anthony Rota leaves Parliament Hill on Sept. 26 after announcing his resignation as Speaker of the House of Commons in Ottawa.Sean Kilpatrick/The Canadian Press The House of Commons will vote for a new Speaker Tuesday in a rare mid-session election. Steven Chaplin, a fellow at the University of Ottawa's Public Law Centre, said this is only the third time in Canadian history that a Speaker didn't complete their full term. Anthony Rota resigned from the position last week amid controversy. He had invited parliamentarians, during a visit by Ukraine's president, to...