Hungary’s centre-right opposition Tisza party has widened its lead over Prime Minister Viktor Orban’s Fidesz in February, a highly regarded poll showed on Wednesday, ahead of an April 12 election in which the veteran nationalist is seeking reelection. Orban, seeking to retain his 16-year grip on power, is facing a strong challenger for the first time in a parliamentary vote, with the outcome having major implications not only for Hungary but for Europe and its far-right political forces. The poll showed Fidesz losing ground, while Tisza is gaining supporters, despite numerous voter-pleasing measures announced by the government after three years...