Anti-Semitism is an evil that still requires examination

Can you explain, briefly, why some people are prejudiced against Jews? It’s an interesting question. My late mum was a bit anti-Semitic, and I always found her mild animus incomprehensible and indeed weird, as did my father. It surfaced during the Yom Kippur War, when I was 13: my dad and I were urging on the Israelis — in a slightly detached way, as if it were, say, Leeds playing Chelsea in a football match and through default one found oneself supporting the lesser of two evils, i.e.