Starting perhaps in grade school when children are first introduced to the concept of racism and perverting it's way through daily news it's easy to forget that America is not black and white, but equal opportunity.
Take wet back for example. Americans first used this slur to refer to Mexicans who entered the United States illegally across the Rio Grande, but the term has been expanded to include all illegal immigrants who enter the states from the south. And because this is the land of equal opportunity, every immigrant has the opportunity to be called this except American's deemed black, which in of itself is a misnomer seeing as how the colors this defines varies from nearly Caucasian to rich brown.
Someone much smarter than me once said that being racial aware is not the same as not being racist. But I extend this idea to include this black vs white doesn't make us less racist toward all the others. It was probably started in text books an act of minimalism. Something like we are better than other countries because we only hate one group of people and we solved it thanks to Martin Luther King.
Solved. Pfft. But we are getting there.
However first, please consider the power in idea that some isn't black enough. At the idea's core is flawed logic; being not white is defined as having the behaviors and mentality of the poor and being white with having the behaviors and the mentality of middle class. It is probably the most productive "white is right" mindset ever...a strong, multi-colored middle class the most anti-racist thing there is.
Everyone knows that you don't mess with soccer moms. Seriously, they have an opinion on everything and educated enough to force everyone else to lump it.
And that brings us back the land of equal opportunity, but in a much broader context.