Under the weight of the show's ambition, Dylan Mulvaney is a star. Not in the manufactured influencer sense, but in the time-honored theatrical tradition of the charismatic truth-teller who can command a stage with little more than timing, talent, and tenacity. She invites us to laugh with her, cry with her, rage with her"and then, perhaps, go out into the world a little more willing to see the humanity in people who…