I believe that, too. We had a pretty diverse ethnicity in my school. Sure there are plenty of racists here, but that's not just a southern thing.
Now, I'm not condoning bullying... but I am so sick of seeing the PSAs about it. People bullied the crap out of me. I was the poor white kid living near poor blacks and rich whites. I'm not complaining, it showed me the good and bad of both sides. A little social turmoil can help prepare you for the real world, work politics, shady salesmen, etc...
I'm sure that they are much more caring, liberal, and sweet kids, but a certain amount of cynicism helps