Take this survey and let them know. Let's send them a strong message that we want secure borders.
http://www.gopsenators.com/survey/immigration.aspx?category_meta_id=d1bda
http://www.gopsenators.com/survey/immigration.aspx?category_meta_id=d1bda
I think they already know what the majority of American citizens think about this issue. Their job is to figure out how to spin what they really want to do.