Review: steals so freely from other movies and 
Sentiment: negative

Review: give a spark to `` chasing amy '' and `` changing lanes '' falls flat as thinking man cia agent jack ryan in this summer 's new action film , `` the sum of all fears 
Sentiment: negative

Review: an enjoyable 100 minutes in a movie theater 
Sentiment: positive

Review: downright transparent is the script 's endless assault of embarrassingly ham-fisted sex jokes that reek of a script rewrite designed to garner the film a `` cooler '' pg-13 rating . 
Sentiment: negative


Review: that prevents them from firing on all cylinders