Europe moved a step closer to a banking union on Wednesday with a plan for the European Central Bank to supervise all euro zone banks, a cornerstone of closer fiscal integration designed to end years of financial turmoil in the region. European Commission President Jose Manuel Barroso outlined the proposal in his annual "state of the union" address, laying out a path to further economic integration that he said he hoped would underpin the future of the euro currency. The proposed banking reforms, which need to be approved by the European Union's member states, aim to break the link between banks and states, preventing ... (full story)