Ayo Edebiri struggles but Kara Young soars in Broadway revival

A few technical missteps are nonetheless minor compared with the serious performance troubles at the heart of Kail’s Proof. And yet, the unassuming strength of Auburn’s writing manages to shine through that onslaught of actorly miscalculation. We still crave answers to the play’s mild mysteries, still chuckle ruefully at its subtly recurring motifs. This production’s handwriting may be awfully messy, but the basic math of it all is sound as ever.