text_a: despite terrific special effects and funnier gags , harry potter and the chamber of secrets finds a way to make j.k. rowling 's marvelous series into a deadly bore .
text_b: while insomnia is in many ways a conventional , even predictable remake , nolan 's penetrating undercurrent of cerebral and cinemantic flair lends -lrb- it -rrb- stimulating depth .