The Atlantic has a big article trying to "explain" why Japanese kids can walk to school, and American kids can't.
Can't load tweet https://twitter.com/TheAtlantic/status/650679961788002304: Unknown MIME type: text/html
I can explain it—Japan has no blacks, Hispanics, Muslims, or judges turning loose child molesters. I walked to school alone, as did most children, when the U.S. was white.
See previous letters from the same reader, whose school days preceded the Immigration Act of 1965.