Review: a detailed historical document , but an engaging and moving portrait of a subculture 
Sentiment: positive

Review: ... has a pleasing way with a metaphor . 
Sentiment: positive

Review: acting , but ultimately a movie with no reason for being . 
Sentiment: negative

Review: a terrific insider look at the star-making machinery of tinseltown . 
Sentiment: positive


Review: too many scenarios in which the hero might have an opportunity to triumphantly sermonize