The cast of the Oregon Shakespeare Festival’s 2009 production of Equivocation, directed by Bill Rauch. Photograph by Jenny Graham It takes guts—and a little hubris—to write a play that includes “new” ...

At a pivotal moment in “Equivocation,” a key figure in the Bill Cain play comes up with a succinct way to describe theater: “It’s not a way, to lie, you know. It’s a way of telling the truth.” The ...