Best known for his work from the 1980s, Mr. Durang, 59, these days teaches playwriting at Juilliard, blogs for The Huffington Post and has a new play, “Why Torture Is Wrong, and the People Who Love Them,” which is to have its premiere at the Public Theater next spring. He lives in Bucks County, Pa., with John Augustine, also a writer. “My relationship with my partner has lasted 23 years, and my parents’ bumpy marriage lasted 15 years,” Mr. Durang said. “So I win.”