If you like your movie stars to be seen—and admired—but not heard, Wagner Moura ’s not your guy. Born in Brazil but now living in Los Angeles, Moura freely speaks his mind on political issues in both his home country and his adopted one. “Listen,” he says when we meet in mid-March, “I'm very vocal. I say things. I'm not afraid. I never was afraid to say what I believe, because that's how I am.” Though Moura’s latest film, The Secret Agent , is set in Brazil in 1977, at a time when that country