Rob Weiss is a writer, producer, and director, who’s been a big part of the HBO hit shows, “Entourage,” “How to Make it in America,” and now “Ballers,” which premiered its third season on July 23rd. We discuss his ups and downs in his introduction to Hollywood, how he got on the Entourage team and what the show meant culturally, and his role in making the new show. This is part one of a two-part, or maybe many-part, conversation...