France declared a state of emergency Tuesday to quell the country's worst unrest since the student uprisings of 1968 that toppled a government, and the prime minister said the nation faced a "moment of truth" over its failure to integrate Arab and African immigrants and their children. Rioters ignored the extraordinary security measures, which began Wednesday, as they looted and burned two superstores, set fire to a newspaper office and paralyzed France's second largest city's subway system with a gasoline bomb. The measures, valid for 12 days, clear the way for curfews after nearly two weeks of rioting in neglected...
