english: Now, this distinction is natural enough and often moral enough, but it can go awry, and this was part of the research of the great social psychologist Henri Tajfel.
non_english: Sad, ova razlika je dovoljno prirodna i često dovoljno moralna, ali može da pođe naopako, a ovo je bilo deo istraživanja sjajnog socijalnog psihologa Henrija Tažfela.