Initiating a bold effort on February 4, 2011 at a summit of the European Council (composed of heads of the state governments) to strengthen the euro by coordinating fiscal policies among the 17 states that use the currency, the German Chancellor and French President laid down far-reaching plans to deepen economic and political integration for the group of states within the EU. From the standpoint of the US, a subset of states relatively integrated federally seems strange, though perhaps such flexibility will obviate a war between EU states in the future. In other words, Americans ought not dismiss the arrangement out of hat. This is not to say that bringing fiscal policy up to the EU level to join monetary policy will be easy, even for just seventeen states. The particular interests of the latter must be balanced against the interest of the ECB (the EU's central bank) for some degree of fiscal coordination and accountability.
The full essay is at "E.U. & U.S."