"There are a lot of people speaking in their native languages in this movie.
I could not make a WWII film with Nazis speaking English. I made the decision that everyone speak their native language. This film is about barriers, language, culture, all that stuff. So how you gonna have a scene where Train is teaching [Angelo] to communicate by tapping on his chest if they're both speaking English? Where is going to be the conflict, the drama, with these four black American soldiers stumbling into a small Tuscan village if everyone is speaking the same language?"
Read the rest at Salon.