Washington Post, Dec. 12, 2011: "The Supreme Court on Monday said it would review Arizona’s
restrictive immigration law that sparked a national controversy and
inspired similar state efforts across the country to crack down on
illegal immigrants. The review will add to one of the court’s most high-profile
caseloads in years, and probably will be heard around the same time as
justices consider the constitutionality of President Obama’s health-care
overhaul. The court on Friday said it also would intervene in a deeply
partisan battle over Texas redistricting."
Politico, Dec. 12, 2011: "The Supreme Court on Monday agreed to consider whether a law Arizona
passed last year cracking down on illegal immigration violates the
Constitution by intruding on the prerogatives of the federal government. The
new high-profile platform for the continuing legal fight over
immigration-related state laws has the potential to inflame the issue in
the 2012 presidential campaign — a development which could benefit
President Barack Obama with Latinos, but could hurt his standing with
swing voters who are broadly supportive of such laws."
And here's the SCOTUSblog page with links to all the briefs, etc.