Days before a neo-Nazi drove his car into a crowd of protesters here at the site of the deadly 2017 “Unite the Right” rally, he texted his mother. Samantha Bloom was worried that her son would run into trouble in Charlottesville , where he was headed in his gray 2010 Dodge Charger to join a rally billed as a response to the proposed removal of a local statue of Robert E. Lee. “Be careful,” Bloom texted her son, who was then 20. , where he was headed in his gray 2010 Dodge Charger to join a rally billed as a...