Playwrights Horizons is currently housing an unexpected thing in New York City: conservatives openly discussing their beliefs. And liberal New Yorkers are, and should be, flocking to it. Providing a respite from the shock-jock conservatism of Donald Trump and Fox News, Will Arbery’s new play Heroes of the Fourth Turning puts Catholic conservatism onstage in all of its messiness and nuance, daring its audience to listen to what the other side has to say—and maybe even making them care about the characters doing the talking.