‘Constellations’ at Steppenwolf: Of relativity, and the infinite outcomes of boy meets girl

Review: Life isn’t like a box of chocolates. It’s more like a roll of the dice, suggests playwright Nick Payne in his touching romance “Constellations,” now on crisp and credible view at Steppenwolf Theatre. In fact, viewed on the space-time continuum, the possibilities of life and love might be as variable as infinite throws of those ivory cubes. ★★★★