The reaper came for another editorial cartoonist over the weekend. The Brunswick News newspaper group in Canada canceled Michael de Adder’s contract a couple of days after he distributed a cartoon on Twitter depicting Donald Trump on the fairway, golf club in hand, asking two face-down, drowned migrants, “Do you mind if I play through?” De Adder told the Washington Post that his editor didn’t say why his contract was being canceled, but he surmises it was because of his history of Trump-critical cartoons—which he didn’t offer to Brunswick News publications. “The only subject I was told that was taboo...