Hungary takes over the rotating presidency of the European Union on Monday and some MEPs in Brussels may be wondering whether populist Prime Minister Viktor Orbán will use the role to further his reputation as the bloc’s main spoiler. Orbán has in recent years appeared to relish opportunities to play counter to general EU consensus by blocking, watering down or delaying key EU decisions and routinely going against most other leaders on issues like the war in Ukraine and relations with Russia and China. His often vocal opposition to EU policies and positions has long frustrated his partners in …