Israeli Prime Minister Benjamin Netanyahu was caught Wednesday by a live microphone railing against the European Union’s “crazy” insistence on resolving the Israeli-Palestinian conflict as a precondition for closer ties. Netanyahu was meeting with leaders of Poland, Hungary, the Czech Republic and Slovakia at a regional summit. Netanyahu was discussing Iran, Syria, the Islamic State group, and EU-Israel relations when some of his comments — and those of other leaders at the meeting closed to the media — were accidentally broadcast to journalists in another room. Netanyahu also made a rare public admission that Israel has struck Iranian arms convoys...