Lassana Bathily, the Malian Muslim employee who helped save the lives of several customers during last week’s deadly attack on a kosher supermarket in Paris, will be awarded French nationality, France’s Interior Bernard Cazeneuve announced Thursday. In a statement applauding Bathily’s “act of bravery,” Cazeneuve said that the young man will become a French citizen during a ceremony on January 20. The move comes following an outpouring of public support for Bathily, whose striking story of courage trickled out in the days after the hostage crisis at the Hyper Casher supermarket in eastern Paris. The 24-year-old shop assistant was in...