by Fiachra GIBBONS Agence France-Presse Paris fashion can’t get enough of its new enfant terrible Demna Gvasalia, whose rebel Vetements label has been ridiculing its conventions for the last two years. But the trendsetting Georgian — who now also designs for Balenciaga — outdid himself at a haute couture week show on Tuesday by presenting a homeless man with a coat fastened with a tie. His sleeping bag also bore a Vetements logo. Couture clothes — […]