Since the days of Shakespeare, theater has welcomed politics to the stage. For that reason, it’s been an acting medium that “Orange Is the New Black” and “The Handmaid’s Tale” star Samira Wiley has visited time and again. This Sunday, April 30, she’ll reunite with Theater of War Productions for a stirring, empowering take on Martin Luther King, Jr.’s final sermon, “The Drum Major Instinct,” as part of the Bric Open theater festival in Brooklyn, New York. The dramatic reading will take place from 1 p.m.–3 p.m. at the Bric House Ballroom. “[Theater of War is] a company I would literally drop everything, schedule-permitting, to go and work with,” Wiley told Backstage on a recent phone interview. “I believe that they are a theater for change, [and] they’re a theater company that is really in touch with what’s going on in the world.” Wiley previously worked with the company,...