Television's most bracing summer pleasure, for two years now, has been Jeremy Piven as Ari Gold on HBO's comedy "Entourage." On a forthcoming episode, Ari, the show's peremptory Hollywood agent, experiments with a new way of answering the phone: "You got Gold." His caller responds with disbelief. Is that Ari's new affectation?
The likable jerk smiles to himself. It just might be.