Chief political correspondent Rosemary Barton speaks with Susan Rice, former U.S. ambassador to the UN and former national security adviser, about the impact of tariffs, and whether Canada should continue to share intelligence with the U.S. following the Signal group chat leak. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX Follow CBC News on TikTok: https://bit.ly/