Leonardo DiCaprio was a film superstar in his teens. Monty Clift, Brando and James Dean were legends by 27. But in 2014, Jack O’Connell was the only under-30 leading man outside the YA ghetto to anchor a $100 million movie. Is it an anomaly, or is something going on in Hollywood? I considered the issue, and O’Connell’s brief career so far, in The New Republic.