U.S. conservatives have long pointed to Hungarian Prime Minister Viktor Orban as proof that a Western leader can crack down on immigration, defy global institutions and wage war on “woke” liberalism – and still win elections. But as Hungary heads toward an April 12 parliamentary election, some of Orban’s most enthusiastic admirers in the U.S., including President Donald Trump, are confronting a once‑unthinkable prospect: after 16 years in power, Europe’s champion of “illiberal democracy” could be voted out of office. Defeat for Orban would reverberate well beyond Hungary, casting doubt on the durability of a political system – marked by...