PiS party leader Jaroslaw Kaczynski and Polish Prime Minister Mateusz Morawiecki

Since the ruling PiS party lost Poland’s Oct. 15 elections, a ferocious debate has raged within the party about whether to work with a new opposition-led government or do everything possible to sabotage it. How this debate within PiS is resolved could influence how other right-wing parties in Europe respond to electoral defeat.