The Irish and German governments became entangled in a spat on Thursday after details of the Irish budget were given to the German Bundestag, before being presented to the Irish parliament, the Dáil. The sensitive plans, including a two-percent increase in the top value added tax (VAT) and a €100 household tax, were sent by the German finance ministry—along with a letter of intent from the Irish Finance Minister—to the Bundestag budgetary committee. This provoked outrage in Ireland, and denials from Irish Prime Minister Enda Kenny that he had given the information to the Germans. Irish opposition parties said if...