For me to hire you now, you have to check SS #'s. If that were being done now, there wouldn't be any illegals. If "acceptable documents" couldn't be forged on Pico & Union Blvds. on any given day, there wouldn't be any illegals. If the Feds were enforcing compliance now, there would be no illegals.
These systems are supposedly in place now & they are being subverted, ignored & unenforced. How is a guest worker program going to magically clear all this up?
...By convincing illegals to voluntarily register their employers.