Remember Germany's history of debt forgiveness and non-forgiveness. Don't know about it? Look at the treaty of Versailles, and John Maynard Keynes's polemic against it. Also look at the Marshall plan, and the debt forgiveness of 1953. And then consider how you want Greece to be treated. And consider how Portugal, Spain, Italy, France, and Germany should be treated when they run to big a deficit. Also read this post (unless you are extremely annoyed by vulgar language): http://www.interfluidity.com/v2/5965.html