John Patrick Shanley ("Doubt") with writing advice

Recently I saw the powerful film, “Doubt,” and discovered that the writer, John Patrick Shanley has an interesting five-minute interview on Youtube. He talks about the difference between screenwriting and playwriting, the use of POV in screenwriting, whether writers should write what they know, and the advice his father gave him that he still follows today. The video starts with a few very brief clips from the film: