The British playwright and director David Byrne presents what is essentially a battle of ideas between Jacob Bronowski (Richard Delaney), the mathematician and broadcaster who wrote and narrated the deeply optimistic 1973 BBC series “The Ascent of Man,” and Yuval Noah Harari, the author of the 2014 best-seller “Sapiens,” whose take on the species is decidedly more skeptical. This cerebral concept assumes the fleshly form of a one-night stand between Bronowski’s (fictional) grandson, Jamie (Andre