And if America has any survival instinct at all, it should shut down immigration from all 3rd world nations and 3rd world peoples.
Working all day long in the business world I can honestly say that people from 3rd world nations just don't cut it in intelligence and work ethic. And there are not too many exceptions.
There is NO WAY to vet incoming muzzies for the very likely Sudden Jihadi Syndrome expression of their in country offspring. Exclusion is the only way to insure Homeland Security.