VENICE, Italy—Two years ago, the Venice Film Festival hosted the world premiere of Hacksaw Ridge, a World War II drama directed by Mel Gibson. The film marked Gibson’s first turn behind the camera in a decade, since he’d drunkenly slurred “the Jews are responsible for all the wars in the world,” pleaded guilty to battering his then-partner Oksana Grigorieva, and was caught on audio saying she was “asking” to be “raped by a pack of n****rs.” Despite never demonstrating much in the way of genuine contrition, he was treated to a prolonged standing ovation on the Lido—the opening salvo of...
