The Santa Llucia Christmas market in Barcelona sells everything you could need for your nativity scene. Little statues of Joseph and Mary? Check. A little baby Jesus? Check. Donkeys, sheep and cows? Check. Defecating world leaders? What? The 'caganer' (literally 'defecator') is a feature of Catalan nativity scenes. The figure is usually tucked away in a corner of the model, far away from the manger itself, for children to find. The caganer represents fertility and equality. The figure was traditionally a representation of a Catalan peasant wearing a red stocking hat, but modern caganers are often caricatures of famous people,...