One nation that didn't have its rating cut is Greece which is already at junk bond status. Now talks that could have seen banks write-off half of Greek debt, have broken down. The government had been negotiating the possibility with its private sector lenders.<br /><br />Failure to reach an agreement means Greece may not get its next bailout payment from the EU and IMF, and could default on its debt repayments.<br /><br />Al Jazeera's John Psaropoulos reports from Athens.