The international community may be forced to make a choice: does it sit back and prevaricate while people are massacred, as it has so often in the past. Or does it refuse to be scarred by the foolishness of the Iraq invasion and show that it can act when there is unacceptable barbarism.
For it is possible the only solution is a rapid intervention led by perhaps Egypt or Tunisia, whose armies have won respect in recent weeks, to winkle Gaddafi out of his air base and end his appalling regime.