Editor's note: Probably the best article I've found on the ruling yet?
WASHINGTON — The Supreme Court on Monday rejected much of Arizona’s tough new immigration law but allowed one key provision to stand, saying federal law did not pre-empt the state's instruction to its police to check the immigration status of people they detain.
Several other important provisions of the law conflicted with federal laws, the court found, rejecting provisions that made it a state crime for immigrants not to register with the federal government or to seek or hold jobs without proper documents, and to make warrantless arrests of some people suspected of being deportable.
The Obama administration had urged the court to strike down the whole law, including its provision requiring state law enforcement officials to determine the immigration status of people they stop and suspect are not in the United States legally. That provision also requires that the immigration status of people who are arrested be determined before they are released.
Continue reading Supreme Court Upholds Key Part of Arizona Law