GRAND PRAIRIE — A protest at an all-ages drag show devolved into a face-off between neo-Nazis and leftist gun groups on Saturday — the latest and most intense confrontation over the performances which have become a flashpoint in the culture war on LGBTQ rights. The rally at the Texas Trust CU Theatre was organized by Protect Texas Kids in response to Murray and Peter Present A Drag Queen Christmas, a holiday-themed show featuring performances by alumni from “RuPaul’s Drag Race.” The stop in Grand Prairie was part of a nationwide tour which also included shows in San Antonio, Austin and...