Review: this film has an ` a ' list cast and some strong supporting players 
Sentiment: positive

Review: is rather the way it introduces you to new , fervently held ideas and fanciful thinkers 
Sentiment: positive

Review: an impressive roster of stars and direction from kathryn bigelow 
Sentiment: positive

Review: frittered away 
Sentiment: negative


Review: that the debate it joins is a necessary and timely one