Existential threats: the leader of Poland’s ruling Law and Justice party, Jarosław Kaczyński, speaks to supporters during the 2019 election count
© CARSTEN KOALL/GETTY IMAGES)
In the spring of 2018, I travelled from Warsaw to the town of Montrose, on the east coast of Scotland, to meet a fringe Polish politician who has dedicated his life to overturning Europe’s post-1989 political settlement.