Check out this article by Rich Mkhondo. He was the Chief Communications Officer for the 2010 World Cup, held in South Africa. Here he writes authoritatively, with clear logic and great feeling about what he has learned from Aesthetic Realism about racism, including in football. Mentioned in his article are John Terry, Patrice Evra, and others.
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Aesthetic Realism is the greatest opponent of injustice I know. (That is why a few selfish people are angry and lie about it). It explains we have two opposing drives all the time, one towards respect & seeing meaning, the other for contempt. Eli Siegel, the great poet, critic & educator who founded Aesthetic Realism, identified contempt as the addition to self by the lessening of other things. It is the root cause of racism and war. The study of respect & contempt is an emergency.