Separate but equal. What really was the issue or problem?
I think a little discrimination should be Constitutional. Why is it only considered discriminatory one way, when Separate But Equal applied both ways? 
The 1954 decision of Brown vs the Bd of education argued by Thurgood Marshall overturned the previous Plessy vs Ferguson law of Separate but Equal.
The constitution is pretty clear on no discrimination based on race, religion , etc.
The SCOTUS recently used the 14th amendment and gender discrimination to make same sex marriage the law of the land.
Politics and social interaction has a huge effect on how our society will function in addition to laws.
I've often wondered how historically black colleges could still operate now?
I suspect no white student ever challenged any of their policies?
What does bug me is in the world of sports where all white is considered evil and all black is a non issue.
In hockey or swimming, many claim it's social injustice if more blacks aren't competing.
BUT, when the 100m track final is all black, nobody says a word.
In my view, we should all operate under the same basic standards of conduct and respect the laws.