Is there a show business "liberal bias"? Do celebrity opinions and the blurring line between news and entertainment overwhelm the political landscape? Director Barry Levinson examines these and other questions in this captivating documentary, shot atthe 2008 Democratic and Republican National Conventions and featuring interviews with actors and musicians, newsmen and politicians, and everyday people. 91 min. Widescreen (Enhanced); Soundtrack: English; featurette; interviews.