The ethics of wearing feathers: it's not just live-plucking that's a problem

They are fluttering down catwalks and even appeared at the royal wedding, but for some activists all feathers are stolen property – whether or not they involve crueltyThe red carpet has been a hotbed of sartorial protest this year, with influential people opting to express their politics through their wardrobe. But as many celebrities scramble for the moral high ground, some controversial guests have slipped under the radar. They go by a few names – marabou, ostrich, peacock –