Conservative Karol Nawrocki’s victory in Poland’s weekend presidential runoff has set the country on a more nationalist course — and cast doubt on the viability of the centrist government of Prime Minister Donald Tusk after the defeat of his liberal ally.

Conservative Karol Nawrocki has won Poland’s weekend presidential runoff election, according to the final vote count

Poles awakened Monday to a clear albeit close result that returns a nationalist politician to the presidency who has pledged to hinder the centrist, pro-EU government for the remainder of its