I was this weird misfit guy from suburban Seattle, I never really fit in, and then I became a drama geek, among all the other different kinds of geek that I was growing up, and I found I was pretty good at it.
Immigrants can spread diseases for which we may have no immunity. There is also the question of crime and culture. Many immigrants come from countries with different legal structures and are not willing to behave in the way we expect American citizens to behave.