Photo: Emilio Madrid I hate to be a Grinch at Christmas, but it’s not a good sign when your Broadway show has more than one Reddit thread asking if it’s a scam . So things currently stand for Simon Rich’s All In: Comedy About Love . Bothered by the lack of indefinite article there? I hear you, but alas, for All In to qualify as a comedy about love, it would actually have to be a play. Instead, it’s an expensive staged reading with a rotating cast of celebrities. Admittedly, the show’s marketing