Review: are idiosyncratic enough to lift the movie above its playwriting 101 premise . 
Sentiment: positive

Review: is that rare animal known as ' a perfect family film , ' because it 's about family . 
Sentiment: positive

Review: of its title character 
Sentiment: positive

Review: hardly an objective documentary , but it 's great cinematic polemic ... 
Sentiment: positive


Review: so it 's not a brilliant piece of filmmaking , but