“His 16-year-old son, Jack, took his own life nearly two years ago. Now, Mr. Eustis, with his family, faces the kind of soul-searching for which there can be no preparation. How to hold on and move forward at the same time. What it means to be a public figure with a private grief. How he thinks about the work he does and the shows he sees. The tragedy coincided with a time of extraordinary success in Mr. Eustis’s professional life.”