Bwahahahahahaha...what chilling effect? All I see and hear is overheated rhetoric and a headache for the President that he doesn't need.
Earth to editor-surveyor. Our land borders have been wide open since the founding of the Republic.
Partially true.
During the 1800's there were strong prohibitions against importing Asians.
This was lifted a little during the early 19th century so we could make kissy face with Japan.
In the 1930's Roosevelt kicked out the illegals to make jobs for the Dust Bowl families (folks were expect to work for a living then).
During WW2, following the Zoot Suit riots, again mass deportation took place in certain cities of California.
And Eisenhower ordered a clean out in the fifties.