The French government, unable to quell nearly two weeks of civil unrest, invoked emergency measures today to impose curfews in its strife-torn suburbs, where bands of youths continued to rampage, burning cars and battling with police.... "The republic faces a moment of truth," Prime Minister Dominique de Villepin said in announcing the decree during a grim-faced address in Parliament. "A return to order is the absolute priority." Mr. Villepin also outlined a package of economic and social measures to try to address the entrenched racial discrimination and chronic unemployment that have bred resentment and alienation in the suburbs, which have...