‘The Comeback’ took on Hollywood long before ‘The Studio.’ Now, Valerie Cherish will have her curtain call

By Dan Heching, CNN (CNN) — “The Comeback” was by no means the first series to hold a funhouse mirror up to the entertainment industry, but the comedy starring co-creator Lisa Kudrow, which returns for its final season on Sunday, has certainly always done it in its own navel-gazing yet endearing way. As eternally optimistic