-OpEd- WARSAW — Budapest has opened a new field of conflict with the European Union when it recently eased requirements for Russians and Belarusians to obtain Hungary’s National Card. The residence permit allows them not only to enter Hungary but also the Schengen area. For the latest news & views from every corner of the world, Worldcrunch Today is the only truly international newsletter. Sign up here. The change is part of a long process, the dynamics of which have escaped Poland as well as the entire EU. Europe tends to treat Hungarian Prime Minister Viktor Orbán like an unpredictable, but …