James Andrew Miller, author of the new book "Powerhouse: The Untold Story of Hollywood's Creative Artists Agency," talks with Recode's Peter Kafka. Miller says the Creative Artists Agency, or CAA, transformed the entertainment business forever, led by the "yin and yang" personalities of Michael Ovitz and Ron Meyer. He also talks about one of his previous books, an oral history of ESPN, and what really happened to ousted Grantland founder Bill Simmons.

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