The decision by Jagmeet Singh to end his supply-and-confidence agreement with the Trudeau government, coupled with the Winnipeg federal byelection in nine days, invites the question of where left-wing populism fits today on the federal scene.

As Singh filed his “divorce” papers, he inveighed mightily against Prime Minister Justin Trudeau as too much the defender of corporate interests. That’s not unusual from an NDP leader. In the 1984 election, Ed Broadbent blasted John Turner and Brian Mulroney as being the “Bobbsey Twins of Bay Street.”