Guest blogged by Ernest A. Canning
Arizona Gov. Jan Brewer and the GOP state legislature received another setback to their controversial anti-immigrant legislation on Monday. In a 2-1 decision, the Ninth Circuit Court of Appeal upheld an earlier U.S. District Court finding that puts the breaks, for now, on a number of provisions in the bill.
In their ruling in United States vs. Arizona, the court found a number of the most controversial provisions of the state's SB 1070 were likely preempted by the federal Immigration and Nationalization Act (INA). The decision leaves in place a preliminary injunction by the lower court barring enforcement of key provisions of the Arizona law.
The case does not, however, address the issue of whether SB 1070 gives rise to unlawful racial profiling.
The doctrine of preemption derives from the Supremacy Clause of the U.S. Constitution. If Congress intends federal law to "occupy the field" or if state law conflicts with a federal statute, it is said to be "preempted" by federal law, which means that the federal law, as the supreme law of the land, supersedes state law...