Adam Szymkowicz is that rarest of things: a full-time playwright. In an era when the business of live theatre seems perpetually on the verge of implosion, most dramatists survive only through soul-sucking day jobs, the largesse of patrons or their own families, or writing for television. Szymkowicz has carved out a distinctive niche for himself without relying on big institutions or the brass ring of a mega-hit Broadway production. Each year, his...