The festive movie season is upon us, and one of my perennial favourites is Home Alone 2: Lost in New York. I will die on this hill: it is better than the original. But rewatching it as an adult raises an awkward question. How on earth did the Wet Bandits survive the first film at all, let alone escape without lasting injuries? Ten-year-old Kevin McCallister, the boy left home alone, sets up traps that are played for laughs, but many involve levels of force that would be catastrophic in real life. A 100lb (45kg) bag of cement to the head,...