This has been a terribly sad time for clowns, those purveyors of happiness whose recorded history dates back to ancient Greece. Last year was possibly the pits. Clowns witnessed the shuttering of venerable Ringling Bros, the largest and latest of circuses to close. The lay-offs of regional Ronald McDonalds. The film – don’t get them started – It. It has been one packed clown car of woe. And it comes on top of decades of portrayals of depressed, malevolent or downright crazed...