Our white supremacist president is becoming even less subtle as the days go on. First it's "African huts" and "Haitians with AIDS." Now Haiti and El Salvador are "s**thole counties" and we should instead take in immigrants from Norway. If you fail to see the subtext here, then you ought to remove the fingers from your ears.
I think Trump made it pretty clear that only whites are welcome to the US of A.
How long till he advocates the reinstatement of Jim Crow?
That's what the "voter fraud" dogwhistle meant.