“It’s an extreme sport,” says Alistair Chisholm. “The secret is to read the weather forecast, and to wait for that moment when the wind is behind you and your lungs are filled with air, and then off you go!” The extreme sport is competitive town crying, and Chisholm knows a thing or two about winning: A town crier for a quarter-century in Dorchester, in the southern English county of Dorset, he’s shouted his way to victory at national championships on 10 occasions. But this year, things are very different. “Oyez!…
