Chief political correspondent Rosemary Barton speaks with former U.S. national security adviser Jake Sullivan about the state of the security relationship between Canada and the U.S., and how Ottawa's plan to reduce reliance on the U.S. for military procurement could further impact diplomacy. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth coverage: https://www.cbc.ca/news Follow CBC News on TikTok: https://www.tiktok.com/@