I spent a year and a half in Buenos Aires making my new film Tetro, a family drama. Most of our cast and crew was Argentine, and I had the chance to collaborate with talented artists. There’s a big intellectual tradition in Argentina, of course: the poetry and novels of Borges and Cortázar. At any given time there may be 400 theater events going on, many in private homes and cafés. I found that people in the city really like to have a good time. You’ll see two-year-olds …