Her Tina Turner musical is a smash, her stripper TV show P-Valley sizzles "and now The Hot Wing King, inspired by her gay brother, has earned her one of the world's top gongs One afternoon in mid-June, the playwright Katori Hall glanced at her phone. A text had come in from a former agent. "OMG," it read. Hall was confused. Then her current agent phoned, telling her she had just won this year's Pulitzer prize for dra…