What’s the story and why is it important? After five years of political upheaval, Slovakia will on Sunday hold a high-stakes but uncertain election that polls predict will be won by a populist former prime minister who has pledged to abandon Bratislava’s staunch support for Ukraine. Robert Fico has said he will not send “another bullet” to help defend his country’s eastern neighbour from Russian aggression, labelled sanctions against Moscow as “useless” and promised to veto any Ukrainian application to join Nato. Fico is not certain to win. Even if he does, he will not have a majority in the...