EU leaders on Thursday conditionally agreed to open formal talks with Bosnia-Herzegovina on joining the European Union, European Council President Charles Michel said on X, formerly known as Twitter. “Today’s decision is a key step forward on your EU path,” Michel wrote, addressing the Western Balkan nation. “Now the hard work needs to continue so Bosnia and Herzegovina steadily advances, as your people want,” he said. The decision means membership negotiations with Bosnia-Herzegovina are officially open, but it does not allow Brussels and Sarajevo to actually start talking yet, diplomats told…