Former Canadian Prime Minister Stephen Harper is calling for unity among MPs and former MLA Donna Kennedy-Glans says it's "important" for people with his level of experience to weigh in, especially when he doesn't have to run for office like current elected officials. #yeg #edmonton #alberta #canada #politics Subscribe to CTV News to watch more videos: https://www.youtube.com/ctvnews Connect with CTV News: For live updates and latest headlines visit: http://www.ctvnews.ca/ For breaking news,