Review: Piven enlivens 'Entourage,' which plays out like a long TV episode

"Entourage" is the kind of movie that succeeds merely by meeting -- and fitfully exceeding -- expectations. But, seriously, did anyone expect all that much? Perhaps it was a foregone conclusion that, in the age of synergies and verticals and brand extensions and dedicated audiences, a popular premium-cable series would absolutely, positively have to morph into a feature-length theatrical film. But even obvious cash grabs don't have to be lazy and cynical. Some critics (this one) bemoaned the sta...