McGregor snubs 'Trainspotting' sequel

Ewan McGregor is refusing to star in a sequel to the movie that made him famous, because he hates the book it's based on.

'Slumdog Millionaire' director Danny Boyle is reteaming with author Irvine Welsh to take 'Porno' to the big screen - 13 years after 'Trainspotting' made them all household names.