On a drizzly September evening, people are trickling into the historic Arlington Drafthouse just miles from Washington, D.C. Lady Gaga is blaring through the speakers, and as the theater fills up, people begin talking about things you don’t normally hear in a northern Virginia theater. At one point, two groups are simultaneously discussing the excesses of the transgender movement. Puberty blockers and cross-sex hormones should not be available for children, one group agrees.