Fidesz, which is well behind in most polls, cannot evade responsibility for Hungarian stagnation, and so neither the party nor its leader is talking much about Hungary, its falling industrial production, or its shrinking population. Instead—backed by Russian propagandists, the European far right, and now the Trump administration (about which more in a minute)—the party is directing a small fortune’s worth of posters and social-media videos toward a different goal: convincing Hungarians to fear sabotage, thievery, or even a military attack from … Ukraine.