The death throes of Majority White America are not going to be pretty. But they are going to be pretty dangerous. No group cedes power willingly. Our choices will be to accept the changes as gracefully as we can, or create some sort of Apartheid state.
Majority-Minority America is already in elementary school. The fastest growing racial self-identification are Other/Mixed. Undoubtably, change is coming.
There is a theory In some anthropology and demographic circles that the Americas were found as a brown continent and that it will revert to being a brown continent.
Physicist Max Planck once wrote that "Science advances one funeral at a time." So does social change.