The Producers: Profiles in Frustration

In The Producers, Luke Ford profiles major players in entertainment including Edgar J. Scherick, creator of ABC's Wide World of Sports, Stephen J. Cannell, whose television programs have grossed over $1 billion, and Jay Bernstein, former manager of Farrah Fawcett and Linda Evans.The life of a typical Hollywood producer is a "profile in frustration." What drives these middlemen to subjugate their own egos for more than a decade, at times, to make a movie or TV show?