Somewhere in the middle of the film, as Driver’s Cesar is speaking to camera, the screen briefly went blank. There was a confused smattering of applause from those who thought it was all over—if only we’d been so lucky—but then, with the lights still down, a man ran onto the stage in front of the cinema screen from the wings, holding a long microphone.

…Positioning himself on one side of the stage, and now lit by a spotlight, the man then faced Driver, now back on screen, and asked…