>>Take away our ability to import talent and there goes the last leg of American dominance in technology.

This is known almost forever now. Even the hard core immigrant hating racists know that their social security checks are coming in because of some one generated more than proportionate share of economic value, and by that definition taxes. And that someone is mostly likely a non-white immigrant.

They just don't like to be reminded of this fact everyday that their bread comes from the very source they hate.