> A nation cannot thrive with too many conflicting demographics. Our most prosperous times came in the wake of great immigration waves. I think the expectation

> A nation cannot thrive with too many conflicting demographics. Our most prosperous times came in the wake of great immigration waves. I think the expectation is that "assimilation" is: - a one-way street and - immediate Neither is true, of course. German assimilation from the mid 19th century took several generations. Same with Italian assimilation in the late 19th/early 20th century.