You've never been to a German Town on the east coast??
The problem today is that ghettos and barrios no longer foster any kind of functional society: progressive politics make it far too profitable for some in the culture to encourage separatism & hostility to the detriment of the rest of that community.
Sorry, I left out mention of the hoards of very white agitators bulking out the ranks “protesters” we get to watch nightly on TV news.
Sorry, I left out mention of the hoards of very white agitators bulking out the ranks “protesters” we get to watch nightly on TV news.