The Saudi-Emirati clash is bad news for the whole world

Downing Street is fully preoccupied with its homemade firestorm over welcoming a Middle Eastern rabble-rouser here, so it has nothing to say, let alone contribute to calming the crisis as Britain’s two key partners in the Gulf are suddenly at each other’s throats. Saudi Arabia’s decision to bomb what it claimed was an arms shipment to Yemeni insurg...