It looks like Greece may become the first country to exit the Euro and that the rest of the EU is resigned to the fact this may happen.  This will probably also result in the Greek government defaulting.

A Greek Exit From the Euro Raises Fears of Fiscal Contagion (1-5-15) Simon Kennedy http://www.bloomberg.com/news/2015-01-05/greek-euro-exit-risk-revived-as-merkel-bluff-overlooks-contagion.html