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!
I wouldn't want a bunch of snow Mexicans flooding in either... but you enjoy your accusations of racism for simply wanting the law to be enforced.