You can say one thing for Arizona’s controversial new immigration law. It separates its supporters and critics as easily as a hot knife through butter.
Arizona SB 1070 is headed for a showdown at the U.S. Supreme Court on Wednesday. At issue are the four provisions that have been the exclusive privilege of the federal government (at least up until now):
(1) require police to verify the immigration status of anyone they stop if they suspect he or she is undocumented;
(2) make it a state crime for a non-citizen to be without registration papers;
(3) make it illegal for …