The wall is probably not going to change things much. The country is too big to wall it in. What about entering from the sea?, what about entering from Canada?
As long as they are white the right wing doesn't care, it's the "brown" people that the right wing crack pots want to keep out!
There you go again, always blaming racism. That's the argument you use when you really don't have an argument. I work with a whole lot of Mexican immigrants, the legal kind. Many of my coworkers are descendants of long-time American families of Hispanic origin. My family is comprised predominantly of "brown" Arabs. We all have one thing in common, we're Americans first. We want what's best for our country.
It's not the color of the Canadians' skin that makes us not want them here, it's the fact that most of them are commies.