For the first time ever, the longest undefended border in the world is ostensibly closed. That's of course because of COVID-19. But the last few years have seen other disruptions in the relationship between the U.S. and Canada. And for Great Lakes provinces and states, that's not generally the preferred state of affairs. To discuss, we invite Juan Alsace, former U.S. Consul General in Toronto under both Presidents Obama and Trump. See omnystudio.com/listener for privacy information.