Every Brilliant Thing, Duncan Macmillan and Jonny Donahoe's inventive one-person play starring Daniel Radcliffe, is officially open on Broadway. The play, which involves audience participation, is an exhilarating and heartwarming story in which a man looks back at his life and the glimmers of hope that carried him through. Radcliffe, a 2025 Tony winner for his performance in Merrily We Roll Along, recognizes the uni…