The writer Madison Moore, center, at the Opulence Ball at the Hebbel am Ufer theater in Berlin, May 26, 2018. Moore argues in “Fabulous: The Rise of the Beautiful Eccentric,” that being fabulous isn’t just a question of style, but also a political act. He believes that in the midst of a global lurch to the right, clubs, ballrooms, and other spaces frequented by marginalized people need to coordinate and fight for their right to exist. (Gordon Welters/The New York Times)