TV adaptation could use less limits. Review by Brandon Wolfe Of all the films being adapted into television series lately, Limitless perhaps had more potential than most. The 2011 film, which starred Bradley Cooper as a struggling, unextraordinary writer who turns his life around after he becomes hooked on a brain-boosting drug called NZT, opened up a wealth of possibilities for expansion to a weekly format. Such a series could have taken the shape of something like Breaking Bad , where a protagonist’s cunning and greed grow along with his mental acuity, leading his fortunes to increase while his humanity plummets. Or, for a less antiheroic approach, how about a hero so brimming with next-level intelligence that he becomes an agent of social change, creating powerful enemies in the process? One might not go so far as to say the possibilities for a Limitless series were, well, limitless, but the premise is mutable enough for a good handful of worthwhile approaches to present themse