“Peace negotiations”, or rather financial summits and debt talks, haven't produced a workable settlement to save the Greek economy. More austerity measures are necessary, and there was almost a civil war implementing the ones that were just passed two weeks ago.
The way is now cleared for Germany's idea of a “selective default”. But that will mean at the very least that the Euro Zone either won't survive at all or it will emerge from the ashes of economic turmoil something very different from what it was before.