In a symbolic act of defiance against the remnants of Muammar Gaddafi’s regime, Libyan revolutionary fighters have bulldozed the green walls surrounding the notorious Bab al-Aziziya compound in Tripoli. This sprawling fortress, long viewed as a symbol of tyranny and fear during Gaddafi’s four-decade rule, had been inaccessible to Libyans, who avoided even walking near it. Commander Ahmad...