I first encountered anti-semitism when I was in second grade. I distinctly recall my parents talking about Jewish neighbors who would, "never be accepted into the country club." This put my little mind on tilt and I asked why. Because they were Jewish my mom said. Reason enough, given that I was raised during the White Flight in Detroit by racist parents who voted for George Wallace in the 1968 presidential race.
Gratefully, both mom and dad came to Christ, thus their hearts and minds changed.
But the mystery of hatred for the Jews remained until I explored the roots of the Old Testament and discovered Genesis 12:2 & 3, God's permanent promise to Abraham and his Jewish nation: