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On Demand movie highlights

TUPAC: RESURRECTION

(Showtime on Comcast) The slain rapper and actor Tupac Shakur narrates the story of his life and ultimately his demise. This is good news for the fans, conspiracy theorists, cultural thinkers, and metaphysicians who’ve made him a hip-hop messiah. MTV and Shakur’s mother, Afeni, produced this documentary, which consists of ancient interview footage that the director Lauren Lazin has sculpted into a strangely gripping celebrity profile. (R; runs through Feb. 28)

TRAFFIC ½

(Showtime on Comcast) A standout among drug-busting movies for soberly acknowledging that drugs are busting us more than we’re busting them. The major players in this brilliant, documentary-textured, multi-track film never lay eyes on one another. Yet their interlocking roles are conveyed in a global drug economy with law enforcement agents as underdogs. Performances by Michael Douglas as a stymied drug czar, Catherine Zeta-Jones as a housewife turned drug dealer, and Benicio Del Toro and Don Cheadle as savvy cops. (R; runs through Feb. 26)

Trainspotting

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(Showtime on Comcast) Danny Boyle’s brilliantly horrific comedy about Scottish junkies is the best study of underclass rage to come out of the British Isles in years. It unapologetically depicts the highs of heroin use — then shifts gears as the antihero’s life goes into free fall. Perhaps more scary than funny, it stays true to its alienated characters while managing never to promote drug use. (R; runs through March 5)

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