Eight years ago, Sara Fernandez flew into Newark, New Jersey, on her way back from the Dominican Republic, where her boyfriend lived. As she was going through airport security, she heard a T.S.A. agent say to one of his colleagues, “Do I need to pick her up and put her through the scanner?” Fernandez has dwarfism; she identifies as a little person. She also happened to be a new hire in the Office for Civil Rights and Civil Liberties, which oversees anti-discrimination enforcement for the Department of Homeland Security, including T.S.A. “The guy obviously didn’t know I worked for D.H.S.,” Fernandez recalled. He had made her feel “really awkward and uncomfortable,” but she didn’t want to get him in trouble, so she contacted T.S.A. and scheduled a phone call with him. “I wanted to be, like

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