I don't think you can effectively secure the border, you just need to eliminate the cheese on the other side. Also, it already has been shown that being pro-immigration does not translate to votes. These people are voting democrat no matter what.
Herbert Camacho '16
"If you have always believed that everyone should play by the same rules and be judged by the same standards, that would have gotten you labeled a radical 60 years ago, a liberal 30 years ago and a racist today." - Thomas Sowell