Government officials in Jerusalem accused Ireland on Wednesday of leading opposition inside the EU to placing Hezbollah, or at least its “military wing,” on the European Union’s terrorist black list. According to the officials, Ireland—which holds the EU’s rotating presidency—was supported in this position by Sweden and Finland at a working group on Tuesday that debated the issue. A consensus of the EU’s 27 states will be needed to blacklist Hezbollah’s “military wing,” a move now even backed by Germany and France. In the past these two countries have opposed this step, arguing that it could destabilize Lebanon, make European...