It was night in Rome’s down-market suburb of Infernetto, and to show that immigrants are unwelcome there, rightwingers fashioned gruesome mannequins clothed all in white, and hanged them from bridge rafters over a main road. This was a local protest, but the wave of anti-immigrant feeling shows signs of penetrating into the wider population, with fallout in this weekend’s regional vote in Emilia-Romagna and Calabria