Danny Boyle may have won his Oscar for directing Slumdog Millionaire, but I wholeheartedly believe 1996’s Trainspotting is his best work to date. A strange and wonderful film, it is at once buoyantly joyful and bitterly dark, yanking the viewer into a world that terrifies and enthralls. The film follows “Renton” (Ewan McGregor), a Scottish…