I do not think you can say that the general attitude about segregation had changed significantly until at least the 80s, when people who had grown up without se

I do not think you can say that the general attitude about segregation had changed significantly until at least the 80s, when people who had grown up without segregation had entered adulthood. Even with that change, there are still lingering pockets of segregation now, in 2014 -- two generations after Brown v. Board of Education. I doubt that assumptions or attitudes can be changed within a single generation.