OP-ED. While the victory of Péter Magyar marks the end of illiberalism in Hungary, it should still be approached with caution, argue Piotr Buras and Pawel Zerka, both members of the European Council on Foreign Relations.

Most polls favour Péter Magyar, who fronts a grassroots party, but PM Viktor Orbán has been in a defiant mood.

The most important election in Europe for a long time is taking place in Hungary on Sunday, April 12. After 16 years in power, Europe's longest-serving leader Viktor Orbán is…