Canada faces more U.S. trade war escalation

A truck crosses the Blue Water Bridge into Port Huron, Mich., from Sarnia, Ontario, Canada, Wednesday, March 18, 2020. (Paul Sancya / The Associated Press)

Photo: (Paul Sancya / The Associated Press)

At Issue this week: With Canada's $28 billion tit-for-tat counter-tariffs sparking further U.S. tariffs and outright bans on some Canadian products, the At Issue panel breaks down Canada's strategy, what it might do next, and what all the trade chaos means for politics and national unity.