I forgot one of the greatest immigrants, responsible for more deaths worldwide over the centuries than any other animal due to being a disease carrier to humans...
The Norway Rat
So Trump, even the Norwegians must go through scrutiny of an immigration process.
We have our own ‘rat problem.
Humans, Native Americans, came here from elsewhere. Soetoro came from some other planet than mine. The horse was brought over from Spain. Birds fly in and poop seeds here from who knows where. Sorry, but everyone and every thing at one time in ancient history came from elsewhere.