Some cultures are better than others. An 18-year-old Italian girl who was murdered and dismembered by a Nigerian migrant who was living in Italy on an expired visa could have also been the victim of cannibalism, according to a top criminologist. Pamela Mastropietro was found chopped up and dumped on a street with parts of her body stuffed in suitcases last month in the Italian commune of Pollenza. Police...