French President Nicolas Sarkozy has a track record for dealing harshly with rioters, and he issued a warning to those stoking the latest round of antisocial violence. France will not approach these people as political activists, but as murderers who simply haven't yet found success: French President Nicolas Sarkozy has vowed to bring to justice rioters who shot at police in Paris in urban unrest that followed the death of two youths. Mr Sarkozy, visiting policemen injured in the riots, said such shootings could not be tolerated. ... Mr Sarkozy touched down from a state visit to China on Wednesday...