We have to work at it. We have to want it. Apparently, we do. It's a good distinction. Segregation was official public policy.
Isolation is unofficial personal choice.
Every day in any number of ways, we choose to isolate our lives by race, perhaps most often by choosing not to integrate our lives. It starts with where we choose to live or not to live. We isolate ourselves by where we choose and choose not to send our kids to school. The racial imbalance between city and county schools was created one choice at a time. We isolate ourselves by where we choose and choose not to worship.