I had three stages of knowing Wellington Mara. He was my boss for a long time and he was a father figure. And finally, as we got older, he was my friend.
And instead of getting a pepper-and-salt effect, we find very clear and sharp divisions between the dialects of the United States, which are getting more different from each other as time goes on.
It seems we will continue to have problems with this classification and it may be because it comes under the heading of creation rather than preservation.

