matea gold, sasha issenberg, we thank you. >> my pleasure. thanks. >> ifill: europe and greece finally appear to be close to a bailout deal to provide athens a financial lifeline. but it appears that battle is not yet over. a new front has opened whether to provide permanent relief for greece's $330 billion debt whether by extending repayment, encouraging creditors to take a loss-- called a haircut-- or canceling some of what's owed outright. the international monetary fund- - one of greece's many creditors-- says that without some form of debt restructuring, the greek economy will remain in free fall. earlier today, i talked about that with the i.m.f.'s managing director, christine lagarde. christine lagarde, thank you so much for joining us. >> pleasure. >> ifill: after everything we've seen develop in greece in the last several weeks and especially in the last week, you have said that even more might be necessary, that debt relief is important. how will that happen? >> it can take different forms. it could be significant rescheduling with