[contentcards url=”https://pjmedia.com/columns/dennis-prager/2021/06/22/if-america-is-racist-why-have-millions-of-blacks-emigrated-here-did-jews-emigrate-to-germany-in-the-1930s-n1456098″ target=”_blank”] By DENNIS PRAGER If America is systemically racist, why have millions of blacks from Africa and the Caribbean come to this country…