Strange laws rarely appear out of nowhere. They usually start with a local problem, a moral panic, or one loud complaint that snowballs into legislation. Decades later, the original worry is gone, but ...

Iga Swiatek suggested tennis fans should play fair after a clip of a man snatching a player’s cap from a child’s hands went viral at the US Open. Swiatek’s compatriot Kamil Majchrzak handed his cap to ...