The Supreme Court ruling on Arizona’s immigration law shredded the law’s radical premise — that a state can write its own foreign policy, impose its own criminal punishments on the undocumented, set its own enforcement priorities and oblige the federal government to go along. That should be the final warning to Arizona and copycat states like Alabama: stop concocting criminal dragnets for civil violators. It’s not your job and you can’t do it.
Read more: http://www.nytimes.com/2012/07/02/opinion/after-arizona-a-struggle-continues.html