After weeks of speculation, the European Commission unveiled its plans for the future of the European Union. On Dec. 6, the institution presented a series of proposals that included, among other things, plans to create a stronger and more coherent monetary union. The European Commission can only present ideas -- approval is ultimately in the hands of national governments and the EU Parliament -- but it expects member states to spend the next 18 months discussing the plans and for several of them to be implemented by mid-2019. Implementation, however, won't be easy. Some countries will probably criticize the proposals for granting too much control to supranational EU institutions and others will be critical of plans to share financial risk among countries....