Chief political correspondent Rosemary Barton speaks with Pierre Poilievre about the fall sitting for House of Commons and what the latest floor-crossing means for the Conservative party leadership review set to take place in January. For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@cbcnews Subscribe to CBC News on Snapchat: https://bit.ly/3leaWsr Download the CBC News app for iOS: http://apple.co/25mpsUz Download