Review: what an idea 
Sentiment: positive

Review: the books are better 
Sentiment: negative

Review: laugh-free lecture 
Sentiment: negative

Review: the sum of all fears generates little narrative momentum , and invites unflattering comparisons to other installments in the ryan series . 
Sentiment: negative


Review: the byplay and bickering between the now spy-savvy siblings , carmen ( vega ) and juni ( sabara ) cortez , anchor the film in a very real and amusing give-and-take .