Review: a children 's party clown 
Sentiment: negative

Review: engaging diatribes 
Sentiment: positive

Review: an exciting plot 
Sentiment: positive

Review: could be , by its art and heart , a necessary one . 
Sentiment: positive


Review: he comes across as shallow and glib though not mean-spirited , and there 's no indication that he 's been responsible for putting together any movies of particular value or merit