It's been closed to all but essential travel for months, and polls show most Canadians want it closed for a good while longer. The border is the most visible symbol of the increasingly divergent paths taken by Canada and the United States—paths that began before COVID-19 struck.
In the 208 year history of the "longest undefended border", the experience of crossing has changed several times, and each event has left a lasting impact. What does the future hold for the relationship between the two neighbours, the border itself and the communities that live on either side of it?
GUEST: Alex Bitterman, professor at Alfred State College of Technology at The State University of New York; Contributor, The Conversation