The CDU convention in Leipzig, Germany passed a compromise resolution that lays the ground for a EU country to voluntarily leave the euro zone and still maintain membership in the European Union. The resolution called for changes to the Lisbon Treaty to allow a euro zone member that is "unable or unwilling to permanently obey the rules connected to the common currency... to voluntarily... leave the euro zone without leaving the European Union." Merkel told delegates that Europe must change the EU treaty to allow for strong automatic sanctions for violations of the monetary union treaty. "We need to send a clear signal. We don't whine; we don't complain. We know instead that we have a job to do." On the issue of voluntary withdrawal from the eurozone, the earlier decision by Merkel and President Sarkozy of France- when prime minister Papandreou of Greece decided to put the issue of membership to a referendum- was to tell Greece that leaving the eurozone would mean leaving the European Union. This CDU resolution provides a basis for Greece to resolve its debt problems outside the euro currency, as experts suggest....