Screenwriter and Novelist Michael Tolkin remembers working with Robert Altman on The Player:

I had forgotten how pot works, the way it rearranges the significance of things, the way internal distractions become interesting or threatening paths. It’s not a happy drug at all, it’s not two flutes of nice champagne and a pretty face and perfume in the air. After smoking a little pot with him—and other than one morning in the office he didn’t smoke during the day—some of his methods made sense, and if it was pot sense, the sense is not invalid.

Fasinating-and frank- article. Put the bong down-no, scratch that-pick up the bong and give it a read.