Derna a port city in eastern Libya, lost over 11 thousand of its citizens on the 10/11 of September when a wall of water swept a large part of the city. The immediate cause of the disaster in Derna was the catastrophic failures of two dams. The longer-term cause - was the ongoing failure of the Libyan state. So why is Libya, one of the richest nations in North Africa a failed state? That’s the question for in this Rear Vision.