Hall's comments were quoted verbatim in an openly white supremacist volume of the era: The Rising Tide of Color against White World-Supremacy by Lothrop Stoddard. This book was parodied by Scott Fitzgerald in The Great Gatsby. Stoddard and his ilk wrote the script you are hearing repeated today.

There is a unity of message coming out of this administration. It echoes, sometimes verbatim, the messages of early 20th Century eugenics. Here is an example from a 1919 article by Prescott Hall, a leader of the immigration restriction movement, describing immigrants as a public health threat.

Italy and Germany, for those who may have forgotten, were run by Mussolini and Hitler, who both had strong ideas about immigration, race, and the role of women.

perhaps the Musker is just reading old newspapers, say from 1934?

and for a more recent analysis of how immigration restriction was a goal of the "race suicide" enthusiasts, see:

www.nejm.org/doi/full/10....

For a detailed explanation of the origins of the "race suicide" rhetoric and its connection to US eugenics, see:

or 1914, or 1930 Bigots gonna bigot