Amid a spike in youth violence, France is weighing sending young people seen as vulnerable to crime to boarding school, as a preventive measure and to provide educational support, as well as allow for swifter and more severe punishments. “We need a boost in authority,” said Prime Minister Gabriel Attal on Thursday in Viry-Châtillon. France has been shaken by several incidences of youth violence, often occurring in lower-income suburban areas with a higher proportion of residents of foreign origin, marked by unemployment and struggling with crime. Some have been fatal, such as the 15-year-old w…