Eithan Haim blew the whistle on Texas Children’s Hospital’s illegal child sex-change program. Now he’s being prosecuted. A few years ago, Texas Children’s Hospital made no secret of its support for transgender medicine. Its doctors proudly administered puberty blockers, cross-sex hormones, and other medical interventions to children who self-identified as “trans.” Then the tone shifted. In the face of public pressure, CEO Mark Wallace announced that he was shutting down the child gender clinic. But doctors at the hospital, including Richard Ogden Roberts, David Paul, and Kristy Rialon, never stopped. The public would not have known if not for a...