The last time a Conservative won a federal vote in the riding of Toronto-St. Paul’s, it was 1988. The Soviet Union was still together. Brian Mulroney was Prime Minister. The territory of Nunavut wouldn’t be created for more than a decade.

But on Monday, in a by-election in the riding, the Conservatives took the Liberal stronghold riding back for the first time in over thirty years. 

Does this spell electoral doom for the Liberals? Where does the party go from here? And despite his insistence that he’ll stay on, can Justin Trudeau really remain the party leader? 

John Paul Tasker is a senior reporter with CBC’s parliamentary bureau.

For transcripts of this series, please visit: https://www.cbc.ca/radio/frontburner/transcripts