Journalist James Verini’s new book, “The Theater: Courage and Survival in the Defining Atrocity of the Ukraine War,” tells the story of Ukrainians who turned a Mariupol dramatic-arts theater into a haven for refugees after Russia invaded Ukraine in 2022. In this excerpt, Verini tells the story of aspiring actors Liza and Dima, a young couple who coped with the war by turning it into a play — before the theater was ultimately destroyed by Russian bombs. The siege of Mariupol began as the Ukraine