If I borrow £1,000 from you and then, because of spectacular bad luck cannot pay it back, but I come to you and say, “here is £750, can we call it quits?” – that is a controlled default.

If I borrow £1,000 from you and you ring me up and you get directory inquiries in the Dominican Republic – that is an uncontrolled default.

Right now, Greece’s fate hangs in the balance somewhere between these two.