US-Canada trade dispute escalates

#AtIssue: Canada-U.S. trade talks collapse — now what? Over the weekend, Prime Minister Mark Carney’s team walked away from a deal with the Trump administration over what it called untenable terms, triggering new tariffs and new threats. CBC chief political correspondent Rosemary Barton asks The National’s At Issue panel about where trade negotiations go from here. #cdnpoli #tradewar #news #thenational